Maker: Scholastic Press 
Original Price: $39.99*
Worth Today: $56,000*

Harry Potter has become one of the most valuable franchises of all time, and First-Edition box sets of the books are worth thousands of dollars. First editions of the 1997 original are also “Holy Grail” books among Potter collectors, as just five-hundred were ever published.

The first box set of Harry Potter books was released on October 1, 2007. The Harry Potter Box Set: The Complete Collection included all seven of the titles from the series. These box sets could be worth $40,000-$56,000. In fact, a rare Harry Potter & The Philosopher’s Stone book that had printing errors sold for $60,000 in 2018.