This is an alphabetical version. For a subjective ranked version see: Ranked: Not Alone Out There After All? Alien Life Of Various Kinds
These are books that discuss life, out side Earth.
Philosophy:
- The Beginning of Infinity: Explanations That Transform the World by David Deutsch
- The Meaning of Human Existence by Edward O. Wilson
Fiction:
- Alien Hunters by Daniel Arenson
- Charlie and the Great Glass Elevator by Roald Dahl
- The Complete Stories and Poems by Edgar Allan Poe
- The Dark Forest by Cixin Liu (The Three-Body Problem Series)
- Death's End by Cixin Liu (The Three-Body Problem Series)
- First Conquest by David VanDyke
- Hard Duty by Mark E. Cooper
- The Hitchhiker’s Guide To The Galaxy by Douglas Adams (The Ultimate Hitchhiker’s Guide To The Galaxy)
- Life, the Universe and Everything by Douglas Adams (The Ultimate Hitchhiker’s Guide To The Galaxy)
- Rendezvous with Rama by Arthur C. Clarke
- The Restaurant at the End of the Universe by Douglas Adams (The Ultimate Hitchhiker’s Guide To The Galaxy)
- So Long, and Thanks for All the Fish by Douglas Adams (The Ultimate Hitchhiker’s Guide To The Galaxy)
- The Three-Body Problem by Cixin Liu (The Three-Body Problem Series)