Shards of Earth: First in an extraordinary trilogy, from the winner of the Arthur C. Clarke AwardAdrian Tchaikovsky4.2
If the Universe Is Teeming with Aliens … Where Is Everybody?: Seventy-Five Solutions to the Fermi Paradox and the Problem of Extraterrestrial LifeStephen Webb4
Alien: Enemy of My Enemy: An Original Novel Based on the Films from 20th Century StudiosMary SanGiovanni3.7
UFOs and the Deep State: A History of the Military and Shadow Government’s War against the Truth; 50 Years of Disinformation, Saboteurs, Intimidation, and Cover-upsKevin D. Randle3.6