Jon Klassen Books

Three Billy Goats Gruff eBook

By Jon Klassen, Mac Barnett

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Egg Marks the Spot EBOOK

By Jon Klassen, Amy Timberlake

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Hat Trilogy 13 Copy Floor Display

By Jon Klassen

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Jon Klassen's Hat Box

By Jon Klassen Illustrated By Jon Klassen

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Hold on to all of your hats at once for this special collection of Jon Klassen’s celebrated hat trilogy.The bear’s hat is gone, and he wants it back. A fish has stolen a hat; will he ge...

This Is Not My Hat

By Jon Klassen Illustrated By Jon Klassen

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The 2013 Caldecott Medal winner!From the creator of the #1 New York Times best-selling and award-winning I Want My Hat Back comes a second wry tale.When a tiny fish shoots into view wearing a round...

Smoke and Mirrors

By Sarah Delicate, Jon Klassen, Angela Hoyt

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Smoke and Mirrors

By Sarah Delicate, Jon Klassen, Angela Hoyt

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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.