Title: Top Secret/Majic: Operation Majestic-12 and the United States Government's UFO Cover-up, Author: Stanton T. Friedman
Title: Dreamland: Travels Inside the Secret World of Roswell and Area 51, Author: Phil Patton
Title: The Day After Roswell, Author: Philip J. Corso
Title: The UFO Invasion: Best of Skeptical Inquirer, Author: Kendrick Frazier