Italian American physicist Enrico Fermi once asked, “if we live in an infinite universe with infinite capacity for life, why haven’t we seen any aliens?” This question is known as the Fermi Paradox – left unanswered until now. Where are all the aliens? Why, they’re in these 10 sci-fi books! While we’ve yet to see extraterrestrial life in the observable universe, we’ve created it countless times in the literary universes that we’ve dreamed up in our heads! Here are the 10 best sci-fi books about aliens, and you didn’t even have to get abducted and probed to find them – lucky you!
