The 1979 novelization of his 1978 BBC radio hit has sold over 14 million copies, fueled fan Towel Days, and inspired everything from asteroids to species names—pure galactic chaos. Welcome to your one-stop shop for Hitchhiker's Guide fun facts: chaotic origins, depressed robots, Vogon poetry torture, and why "Don't Panic" remains the perfect life hack.

Welcome to your ultimate guide to three picture books that shaped generations—from the wild true stories behind their creation to the surprising bans, adaptations, and cultural impact that made them immortal.