Christopher Wormell Books

a Mesmerizing New Picture Book About A Boy Who Is Lost At Sea Until Some Unexpected Help Arrives To Save Him.the Sea Monster Lives Down At The Bottom Of The Ocean But One Day He Sits Among The Rock...

The Wild Girl

By Chris WORMELL, Christopher Wormell, Wormell Christopher

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A young girl and a little brown dog live together, alone in the wilderness, until a big bear tries to share their cave. Suggested level: junior.

Big Ugly Monster And The Little Stone Rabbit

By Christopher Wormell, Chris Wormell

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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.