Drew Daywalt Books

Counting is as easy as 1... 2... purple?... in this charming book of numbers from the creators of the #1 New York Times Best Sellers, The Day the Crayons Quit and The Day the Crayons Came Home.Poor...

The Crayons' Christmas

By Drew Daywalt, Oliver Jeffers

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Celebrate the holidays with the Crayons in this festive story from #1 New York Times best-selling duo Drew Daywalt and Oliver Jeffers. This special book has letters, games, ornaments, a poster, and...

El Dia que los crayones renunciaron

By Drew Daywalt

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The Crayons' Book of Feelings

By Drew Daywalt, Oliver Jeffers

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The crayons are back in this board book all about feelings from the creators of the #1 New York Times bestselling The Day Crayons Quit and The Day the Crayons Came Home!Everyone knows the crayons l...

Green Is for Christmas

By Drew Daywalt, Oliver Jeffers

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In this Christmas story starring the crayons from the #1 New York Times bestseller The Day The Crayons Quit, Green Crayon is certain that he is the only Christmas color in the box. Of course, Red,...

The Crayons' Color Collection

By Drew Daywalt, Oliver Jeffers

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Four Crayon board book adventures starring Red, Blue, Green, and Purple, perfect for the youngest readers! This collection of four original board books--about Red, Blue, Green, and Purple Crayons&m...

Nisiud a Chuis Thuirt na Creidheanan

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The Legend of Rock Paper Scissors

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The LEGEND of Rock Paper Scissors

By Drew Daywalt

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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.