Book Titles You Might Think Are Shorter Than They AreMany of the titles we know famous books by are actually shortened. That has resulted in a lot of longer book titles being forgotten about. Look at Harry Potter and the Philosopher’s Stone, also known as Harry Potter and the Sorcerer’s Stone. You can’t just shorten that to Harry Potter, unless you’re talking about the entire book series. If you love to test your book knowledge, make sure you bookmark the Mental Floss quiz page and check back regularly.