What is a Remainder Mark?

What is a remainder mark, how can you identify them, and what do they mean to collectors and book-buyers?

FAQ: What is an ISBN?

A definition and explanation of the ISBN system for book identification, and tips on using them in online book searches.

The Cataloguer's Desk: "Is My Harry Potter Book Valuable?"

Last night marked the premier of the first of two feature length films that make up the final book in the much-acclaimed Harry Potter series, “Harry Potter and the Deathly Hallows.

To celebrate this event, Laura Massey of “The Cataloguer’s Desk” blog has offered up a very clear and concise article to help you to determine if your copy of Harry Potter and the Philosopher’s Stone is one of those rare and collectible first edition, first printings.

Go and have a read, and even if your copy is one of the battered and abused non-collectible editions, crack it open and let yourself enter the world of Privet Drive and Hogwarts again!