Some of the most popular books almost had different titles! Here’s some of them:

Pride and Prejudice by Jane Austen
Original Title: First Impressions

David Copperfield by Charles Dickens
Original Title (s): Mag’s Diversions, The Copperfield Disclosures, The Copperfield Records, The Copperfield Survey of the World as it Rolled, Copperfield Complete

Alice’s Adventures in Wonderland by Lewis Carroll
Original Title: Alice’s Adventures Underground

Treasure Island by Robert Louis Stevenson
Original Title: The Sea-Cook

Catch 22 by Joseph Heller
Original Title: Catch 18

Harry Potter and the Goblet of Fire by JK Rowling
Original Title: Harry Potter and the Doomspell Tournament