Cosmic Queries: StarTalk’s Guide to Who We Are, How We Got Here, and Where We’re GoingJames Trefil4.4
Un universo gravitacional: La fuerza que gobierna el cosmos, de la materia oscura a los agujeros negrosMónica G. Salomone
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
Muchos mundos en uno (Many Worlds in One): La busqueda de otros universos (The Search for Other Universes)Alex Vilenkin4.8
Witness to Roswell, 75th Anniversary Edition: Unmasking the Government's Biggest Cover-upDonald R. Schmitt4.5
Путеводитель зоолога по Галактике: Что земные животные могут рассказать об инопланетянах – и о нас самихАрик Кершенбаум4.4
Midiendo el cielo y la Tierra: La aventura de medir el cosmos, de Eratóstenes a la paralaje estelarFernando J. Ballesteros
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