Andy Griffiths Books

26-Story Treehouse

By Andy Griffiths

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Zombie Butts From Uranus!

By Andy Griffiths

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A heart-stopping, nostril-burning sequel to the international bestseller The Day My Butt Went Psycho! Find out what happens when butts attack . . . from outer space!In the deepest, darkest corner...

The Day My Butt Went Psycho

By Andy Griffiths

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A story that you and your butt will never forget!Join Zack on his epic journey across the Great Windy Desert and through the Brown Forest, to reclaim his runaway butt.(Based on a true story.)

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.