What old books are worth the most money? 20 Iconic Books You Probably Own That Are Now Worth A LOT Of Money! The Hobbit (1937), J.R.R. Tolkien. Harry Potter and the Philosopher’s Stone (1997), J.K. Rowling. The Cat in the Hat (1957) Dr. The Hound of the Baskervilles (1902), Arthur Conan Doyle. The Bible (1600 – 1630) What is the rarest book.
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