Christopher Willard Books

2019 Moonbeam Children’s Book Awards Winner 2020 Mom’s Choice Awards® Gold RecipientAn engaging and interactive story showing children ages 3-6 the power of breath when dealin...

The Life of a Crayon

By Christopher Willard, Tara Wosiski Illustrated By Holly Clifton Brown

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Amazon Best of the Month PickWhen Green arrives in a crayon box as a present to a little girl, he has no idea of the impact he will have on her life in small but profound and meaningful ways.The&#1...

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.