I ranked them in order, especially the first 50 are excellent and very informative books. The key is to focus on the Lyndon Johnson and CIA role in the JFK assassination. Besides the shadow government, those were the biggest players.

1963 Coup d'Etat, aka JFK Assassination
Best JFK Assassination Books and DVDs Author

1 LBJ: The Mastermind of JFK's Assassination Phillip F. Nelson
2 Blood, Money & Power: How L.B.J Killed J.F.K. Barr McClellan
3 Texas in the Morning: The Love Story of Madeleine Brown and President Lyndon Baines Johnson Madeleine Brown
4 Billie Sol Estes a Texas Legend Billie Sol Estes
5 Defrauding America: Encyclopedia of Secret Operations by the CIA, DEA and Other Covert Agencies Rodney Stich
6 The Men Who Killed Kennedy - the Guilty Men DVD, episodes 7,8,9 on YouTube Nigel Turner
7 Who Killed Kennedy? Thomas Buchanan
8 The Dark Side of Lyndon Baines Johnson Joachim Joesten
9 How Kennedy was Killed: The Full Appalling Story Joachim Joesten
10 The Men on the Sixth Floor Glen Sample & Mark Collum
11 Power Beyond Reason: The Mental Collapse of Lyndon Johnson D. Jablow Hershman
12 A Texan Looks at Lyndon: A Study in Illegitimate Power J. Evetts Haley
13 The Texas Connection Craig Zirbel
14 Who Shot JFK? Robin Ramsay
15 Jesse Ventura, Conspiracy Theory Jesse Ventura and Dick Russell
16 Me & Lee: How I Came to Know, Love and Lose Lee Harvey Oswald Judyth Vary Baker & Edward Haslam
17 Lee Harvey Oswald: The True Story of the Accused Assassin of President John F. Kennedy, by His Lover Judyth Vary Baker
18 Family of Secrets: The Bush Dynasty, the Powerful Forces That Put It in the White House, and What Their Influence Means for America Russ Baker
19 The Immaculate Deception: The Bush Crime Family Exposed Russell S. Bowen
20 Barry & 'the Boys': The CIA, the Mob and America's Secret History Daniel Hopsicker
21 JFK and the Unspeakable: Why He Died and Why It Matters James Douglass
22 To Kill a President: Finally an Ex-FBI Agent rips aside the Veil of Secrecy that killed JFK M. Wesley  Smearingen
23 JFK - Director's Cut - 2 Disc Special Edition (1991) Oliver Stone
24 Oswald and the CIA John Newman
25 Bloody Treason: On Solving History's Greatest Murder Mystery: The Assassination of John F. Kennedy Noel H. Twyman
26 The Last Investigation Gaeton Fonzi
27 Brothers: The Hidden History of the Kennedy Years David Talbot
28 Someone Would Have Talked Larry Hancock
29 The Man Who Knew Too Much: Hired to Kill Oswald and Prevent the Assassination of JFK Dick Russell
30 The Dark Side of Camelot Seymour Hersh
31 The Tatum Chronicles (Google Chip Tatum Pegasus for free on internet) D. G. "Chip Tatum"
32 Conspiracy: Who Killed President Kennedy? Anthony Summers
33 Not in Your Lifetime Anthony Summers
34 Spy Saga: Lee Harvey Oswald and U.S. Intelligence Philip H. Melanson
35 Plausible Denial: Was the CIA Involved in the Assassination of JFK Mark Lane
36 History Will Not Absolve Us: Orwellian Control, Public Denial, & the Murder of President Kennedy Martin Schotz
37 Edward Lansdale's Cold War Jonathan Nashel
38 JFK: The Cuba Files: The Untold Story of the Plot to Kill Kennedy (Secret War) Fabian Escalante
39 Crossfire: The Plot That Killed Kennedy Jim Marrs
40 The Secret Team: The CIA and its Allies in Control of the United States and the World Fletcher Prouty
41 The Radical Right and the Murder of John F. Kennedy: Stunning Evidence in the Assassination of the President Harrison Livingstone
42 Who Killed JFK? Carl Oglesby
43 The Yankee and Cowboy War: Conspiracies from Dallas to Watergate Carl Oglesby
44 The JFK Assassination: The Facts and the Theories Carl Oglesby
45 The Conspirators: Secrets of an Iran-Contra Insider Al Martin
46 Lyndon B. Johnson: A Memoir George Reedy
47 JFK Conspiracy of Silence Charles Crenshaw
48 Trauma Room One: The JFK Medical Coverup Exposed Charles Crenshaw
49 The Grassy Knoll Witnesses: Who Shot JFK? Harry A. Yardum
50 Flight from Dallas: New Evidence of CIA Involvement in the Murder of John F. Kennedy James Johnston and Jon Roe
51 JFK: The CIA, Vietnam and the Plot to Assassinate John F. Kennedy Fletcher Prouty
52 The Elite Serial Killers of Lincoln, JFK, RFK & MLK Robert Gaylon Ross, Sr.
53 First Hand Knowledge: How I Participated in the CIA-Mafia Murder of President Kennedy Robert D. Morrow
54 Betrayal: a reconstruction of certain clandestine events from the Bay of Pigs to the assassination of John F. Kennedy Robert D. Morrow
55 Our Man in Mexico: Winston Scott and the Hidden History of the CIA Jefferson Morley and Michael Scott
56 The Murder of JFK: A Revisionist History (2006) Matthew  White
57 A Farewell to Justice: Jim Garrison, JFK's Assassination, and the Case that Should have Changed History Joan Mellon
58 A Certain Arrogance: U.S. Intelligence's Manipulation of Religious Groups and Individuals in Two World Wars and the Cold War -- and the Sacrificing of Lee Harvey Oswald George Michael Evica
59 Destiny Betrayed: JFK, Cuba, and the Garrison Case James DiEugenio
60 Dr. Mary's Monkey Edward Haslam
61 Rush to Judgement Mark Lane
62 JFK - The Book of the Film Oliver Stone and Zachary Sklar
63 Why the JFK Assassination Still Matters Richard Buyer
64 Thy Will Be Done: The Conquest of The Amazon: Nelson Rockefeller and Evangelism in the Age of Oil Gerard Colby & Charlotte Dennett
65 Treachery in Dallas Walt Brown
66 Harvey & Lee: How the CIA Framed Oswald John Armstrong
67 The JFK Assassination Timeline Chart Bruce Campbell Adamson
68 Oswald's Closest Friend: The George De Mohrenschildt Story (10 Volume Set) Bruce Campbell Adamson
69 The Kennedy Conspiracy: An Uncommissioned Report on the Jim Garrison Investigation Paris Flammonde
70 Assassination of America: The Kennedy Coups d'Etat Paris Flammonde
71 Oswald: Assassin or Fall Guy? Joachim Joesten
72 Marina Oswald Joachim Joesten
73 Oswald: The Truth Joachim Joesten
74 The Garrison Enquiry: Truth & Consequences Joachim Joesten
75 Jim Garrison: JFK Assassination VHS tape Jim Garrison
76 A Heritage of Stone Jim Garrison
77 Files on JFK: Interviews with Confessed Assassin James Files Wim Dankbaar
78 The Killing of a President: The Complete Photographic Record of the Assassination, the Conspiracy Robert Groden
79 The Search for Lee Harvey Oswald: A Comprehensive Photographic Record Robert Groden
80 The Kennedy Assassination Cover Up - Revisited Donald Gibson
81 Breach of Trust: How the Warren Commission Failed the Nation and Why Gerald D. McKnight
82 Hear No Evil: Social Constructivism and the Forensic Evidence in the Kennedy Assassination Donald Byron Thomas
83 Killing the Truth Harrison Livingstone
84 High Treason 2 Harrison Livingstone
85 Cold Warrior: James Jesus Angleton: The CIA's Master Spy Hunter Tom Mangold
86 JFK vs. CIA: The Central Intelligence Agency's Assassination of the President Michael Calder
87 Coup D'Etat in America: the CIA and the Assassination of John F. Kennedy Alan J. Weberman & Michael Canfield
88 Inside the Assassination Records Review Board: The U.S. Government's Final Attempt to Reconcile the Conflicting Medical Evidence in the Assassination of JFK, Volumes 1-5 Douglas P. Horne
89 The Scrapbook Lecture: … a collection of suspects Gary B. Haley
90 On the Trail of the JFK Assassins: A Groundbreaking Look at America's Most Infamous Conspiracy Dick Russell
91 Cuba on My Mind: The Secret Lives of Watergate Burglar Frank Sturgis Jim Hunt and Bob Risch
92 Accessories After the Fact Sylvia Meagher
93 Murder in Dealey Plaza: What We Know Now that we Didn't Know Then James H. Fetzer
94 Six Seconds in Dallas Josiah Thompson
95 A Citizen's Dissent: Mark Lane Replies to the Defenders of the Warren Report, to the press and communications industry, to the Establishment intellectuals and commentators, and tells the grim story of how his dissent was almost silenced Mark Lane
96 JFK: The Last Dissenting Witness Jean Hill
97 Truth Withheld: A Survivor's Story - Why We Will Never Know the Truth about the JFK Assassination James Tague
98 The Echo from Dealey Plaza Abraham Bolden
99 When They Kill a President Roger Craig
100 Nightmare in Dallas: The Babushka Lady Beverly Oliver
101 No More Silence: An Oral History of the Assassination of Predisent Kennedy Larry Sneed
102 Survivor's Guilt; The Secret Service & The Failure To Protect The President Vince Palamara
103 High Treason: The Assassination of JFK & the Case for Conspiracy Harrison Livingstone & Robert Groden
104 On the Trail of the Assassins Jim Garrison
105 ILLUSION AND DENIAL in the John F. Kennedy Assassination Noel H. Twyman
106 False Mystery: Essays on the Assassination of JFK Vincent Salandria
107 In the Eye of the Storm: Castro, Khrushchev, Kennedy and the Missile Crisis Carlos Lechuga Hevia
108 Beyond the Fence Line: the Eyewitness Account of Ed Hoffman and the Murder of President John F. Kennedy Casey Quinlan & Brian Edwards
109 Who's Who in the JFK Assassination: An A to Z Encyclopedia Michael Benson
110 Deep Politics and the Death of JFK Peter Dale Scott
111 ZR Rifle: The Plot to Kill Kennedy and Castro Claudia Furiati and Maxine Shaw
112 Alek James Hiddell, Alias Oswald: Who Died in an Heroic Attempt to Save Presidents Life W.R. Cutler, R. B. Morris
113 JFK and Sam: The Connection Between the Giancana and Kennedy Assassinations Antoinett Giancana & John Hughes
114 Double Cross: The Explosive, Inside Story of the Mobster Who Controlled America Chuck Giancana & Sam Giancana
115 The Trafficantes, Godfathers from Tampa, Florida: The Mafia, the CIA and the JFK Assassination Ron Chepesiuk
116 The Tangled Web: The Life and Death of Richard Cain - Chicago Cop and Mafia Hitman Michael J. Cain
117 Bound by Honor: A Mafioso's Story Bill Bonanno
118 Kennedy Contract: The Mafia Plot to Assassinate the President John H. Davis
119 Mafia Kingfish: Carlos Marcello and the Assassination of John F. Kennedy John H. Davis
120 All American Mafioso: The Johnny Rosselli Story Charles Rappleye and Ed Becker
121 Presumed Guilty Howard Roffman
122 JFK: The Second Plot Matthew Smith
123 JFK: The Case for Conspiracy F. Peter Groden, Robert J. Model
124 JFK: Ordeal in Africa Richard D. Mahoney
125 The Assassinations: Probe Magazine on JFK, MLK, RFK and Malcolm X James DiEugenio and Lisa Pease
126 Reasonable Doubt: An Investigation into the Assassination of John F. Kennedy Henry Hurt
127 Yes, Americans, a conspiracy murdered JFK!: A non-fiction book with affidavits, charts, photographs, and testimony Stanley J. Marks
128 Let Justice Be Done William Davy
129 The Senator Must Die Robert D. Morrow
130 American Conspiracies: Lies, Lies and More Dirty Lies the Government Tells Us Jesse Ventura and Dick Russell
131 Battling Wall Street: The Kennedy Presidency Donald Gibson
132 The Kennedy Assassination Cover Up Donald Gibson
133 Act of Treason: The Role of J. Edgar Hoover in the Assassination of President Kennedy Mark North
134 JFK: The Second Plot Matthew Smith
135 JFK & Jackie (Unseen Archives) Tim Hill
136 A Deeper, Darker Truth Donald T. Phillips
137 In the Eye of History: Disclosures in the JFK Assassination Medical Evidence William Matson Law
138 Whitewash: The Report on the Warren Report Harold Weisberg
139 Whitewash II - The Secret Service Cover Up Harold Weisberg
140 Whitewash III Harold Weisberg
141 Whitewash IV: Top Secret John F. Kennedy Assassination Transcript Harold Weisberg
142 Oswald in New Orleans Harold Weisberg
143 Photographic White Wash: Suppressed Kennedy Assassination Pictures Harold Weisberg
144 Never Again!: The Government Conspiracy in the JFK Assassination Harold Weisberg
145 Case Open: The Omissions, Distortions, and Falsifications of Case Closed Harold Weisberg
146 War is a Racket: the Antiwar Classic by America's Most Decorated Soldier Smedley D. Butler
147 Post Mortem: JFK Assassination Cover-Up Smashed! Harold Weisberg
148 The Craft of Intelligence: America's Legendary Spy Master on the Fundamentals of Intelligence Gathering for a Free World Allen Dulles
149 Nasa, Nazis & JFK: The Torbitt Document & the Kennedy Assassination William Torbitt
150 Farewell America: The Plot to Kill JFK James Hepburn and William Turner
151 Kill Zone: A Sniper Looks at Dealey Plaza Craig Roberts
152 Final Judgement: The Missing Link in the JFK Assassination Michael Collins Piper
153 The Kennedy Detail: JFK's Secret Service Agents Break Their Silence Gerald Blaine and Lisa McCubbin
154 November Patriots Constance Kritzberg and Larry Hancock
155 Total Cold War: Eisenhower's Secret Propaganda Battle at Home and Abroad Kenneth Osgood
156 Murder from Within Fred T. Newcomb
157 Pictures of the Pain: Photography and the Assassination of President Kennedy Richard B. Trask
158 Denial: The continuing cover-up by the government, with the help of the establishment press of the truth about the assassination of President Kennedy Jerry Robertson
159 The Zapruder Film David Wrone
160 A Very Private Woman: The Life and Unsolved Murder of Presidential Mistress Mary Meyer Nina Burleigh
161 Praise from a Future Generation: the Assassination of John F. Kennedy and the First Generation Critics of the Warren Report John Klein
162 Kennedy Must Be Killed: A Novel Chuck Helppie
163 The JFK Assassination Debates: Lone Gunman Versus Conspiracy Michael Kurtz
164 Crime of the Century: Kennedy Assassination from a Historian's Perspective Michael Kurtz
165 Best Evidence David Lifton
166 The Man on the Grassy Knoll John Craig and Philip Rogers
167 November 22, 1963: A Reference Guide to the JFK Assassination William E. Scott
168 The Assassination of John F. Kennedy: An Annotated Film, TV, and Videography, 1963-1992
169 Oswald's Politics Gary W. O'Brien
170 Head Shot:The Science Behind the JFK Assassination G. Paul Chambers
171 Assassination Science: Experts Speak Out On the Death of JFK James Fetzer
172 Matrix for Assassination: The JFK Conspiracy Richard Gilbride
173 JFK: The Medical Evidence Reference Vincent Palamara
174 Square Peg for a Round Hole J.W. Hughes
175 Case Open: The Unanswered JFK Assassination Questions Harold Weisberg
176 President Kennedy Has Been Shot Cathy Trost and Susan Bennett
177 Image of an Assassination DVD
178 The Assassination Please Almanac Tom Miller
179 Flashback: The Untold Story of Lee Harvey Oswald Ron Lewis
180 Reporting the Kennedy Assassination: Journalists Who Were There Recall Their Experiences Laura Hlavach and Darwin Payne
181 The Day in Dallas: 3 Photographers Capture on Film the Day President Kennedy Died Richard Trask
182 National Nightmare on Six Feet of Film: Mr. Zapruder's Home Movie and the Murder of President Kennedy Richard Trask
183 JFK … The Day the Nation Cried
184 Forgive My Grief (Volume 1) Penn Jones
185 Forgive My Grief (Volume 2) Penn Jones
186 Forgive My Grief (Volume 3) Penn Jones
187 Forgive My Grief (Volume 4) Penn Jones
188 The Encyclopedia of the JFK Assassination Michael Benson
189 Citizen's Arrest: The dissent of Penn Jones, Jr., in the assassination of JFK H.C. Nash
190 Medicolegal Investigation of the President John F. Kennedy Murder Charles G. Wilber
191 The Plot to Seize the White House: The Shocking True Story of the Conspiracy to Overthrow FDR Jules Archer
192 Without Smoking Gun: Was the Death of Lt. Cmdr. William Pitzer Part of the JFK Assassination Cover Up? Kent Heiner
193 MacBird Barbara Gibson
194 The Kennedy Assassination - 24 Hours After: Lyndon B. Johnson's Pivotal First Day as President Steven Gillon
195 Cover-Up Stewart Galanor
196 What Really Happened? JFK: Five Hundred One Questions and Answers Joan Hubbard-Burrell
197 Who Shot JFK?: A Guide to the Major Conspiracy Theories Bob Callahan and Mark Zingarelli
198 Destiny in Dallas: on the Scene Story in Pictures and Assassin's Assassin R. B. Denson
199 The Quiet American Graham Greene
200 Atsugi Assassins H.E. Jensen
201 Conspiracy: The Plot to Destroy the Kennedys Matthew Smith
202 Killing Hope: U.S. Military and C.I.A. Interventions Since World War II - Updated Through 2003 William Blum
203 Powers Behind the JFK Assassination Randolph Polasek
204 The Path to Power (The Years of Lyndon Johnson, Volume 1) Robert Caro
205 Means of Ascent (The Years of Lyndon Johnson) Robert Caro
206 Master of the Senate (The Years of Lyndon Johnson) Robert Caro
207 Lone Star Rising: Lyndon Johnson and His Times, 1908-1960 Robert Dallek
208 Flawed Giant: Lyndon Johnson and His Times, 1961-1973 Robert Dallek
209 Lyndon Johnson and the American Dream Doris Kearns Goodwin
210 Kennedy Ted Sorensen
211 American Tragedy: Kennedy, Johnson, and the Origins of the Vietnam War David Kaiser
212 Covering the Body: The Kennedy Assassination, the Media, and the Shaping of Collective Memory Barbie Zelizer
213 The Fish is Red: The Story of the Secret War Against Castro Warren Hinckle and William Turner
214 That Day in Dallas: 3 Photographers Capture on Film the Day President Kennedy Died Richard Trask
215 Four Dark Days in History Collectors Copy A Photo History of President Kennedy's Assassination JFK
216 The Armchair Detective: Your Guide Through the Maze of the JFK Assassination Brian Sprinkle
217 Say Goodbye to America: The Sensational and Untold Story Behind the Assassination of John F. Kennedy Matthew Smith
218 Falsely Accused: Jim Garrison's Investigation of JFK's Assassination and the United States of America Versus R.E. Payne R. Payne
219 Chasing Ghosts: The Remarkable Story of One Man's Investigation of the Assassination of President John F. Kennedy James Koepke
220 Get Carter: Backstage in History from JFK's Assassination to the Rolling Stones Bill Carter
221 Innocence of Oswald and the JFK Assassins Wayne T. Fairchild
222 Who Shot JFK (A History Mystery) Susan Landsman
223 House of Deception: The CIA's Secret Opium War & Assassination of JFK Sheldon Webster
224 John F. Kennedy Assassination Dallas Police Dept. Files CD-ROM BACM Research
225 John F. Kennedy Assassination White House-Air Force One Audio Recordings BACM Research
226 Corruption of Blood Robert K. Tanenbaum
227 Sherlock Holmes in Dallas Edmund S Ions, Edmund Aubrey
228 JFK: Breaking the Silence Bill Sloan
229 The Mystique of Conspiracy: Oswald, Castro, and the CIA Brian Bugge
230 Brush with history/A personal Journey into the JFK case Eric Tagg
231 The Assassination of JFK: Jim Garrison Interviews [VHS] Jim Garrison, Bill Alford
232 On Trial: Lee Harvey Oswald (DVD) Vincent Bugliosi and Gerry Spence
233 Best Evidence [VHS] David Lifton and Jerrol Custer
234 JFK Assassination Solved! (Special Report) Cienfuegos
235 Target JFK: Final chapter in the Assassination Nunzio Addabbo
236 Executive Action, an Edward Lewis production, facts behind the making of this film
237 Project Seek: Onassis, Kennedy, and the Gemstone Thesis Gerald A. Carroll
238 Retired Dallas Police Chief Jesse Curry Reveals his JFK Assassinations File Jesse Curry
239 Corruption of Blood Robert K. Tanenbaum
240 JFK: Autopsie d'un crime d'etat William Reymond
241 Oswald Talked: The New Evidence in the JFK Assassination Ray and Mary LaFontaine
242 There's a Fish in the Courthouse Gary Wean
243 The Gemstone File Jim Keith
244 The Gemstone File: Sixty Years of Corrupt Manipulation Within World Government Detailing the Events Surrounding the Assassination of JFK Richard Alan
999 Inquest: The Warren Commission and the Establishment of Truth Edward Jay Epstein
1000 Reclaiming History: The Assassination of John F. Kennedy By A Complete F____g Moron