Cosmic Queries: StarTalk’s Guide to Who We Are, How We Got Here, and Where We’re GoingJames Trefil4.4
If the Universe Is Teeming with Aliens … Where Is Everybody?: Seventy-Five Solutions to the Fermi Paradox and the Problem of Extraterrestrial LifeStephen Webb4.2
Witness to Roswell, 75th Anniversary Edition: Unmasking the Government's Biggest Cover-upDonald R. Schmitt4.5
A Brief History of Black Holes: And why nearly everything you know about them is wrongDr Becky Smethurst4.5
Wisdom of Souls: Case Studies of Life Between Lives From The Michael Newton InstituteMarilyn Hargreaves4.2