Jon Klassen Books

Pax Journey Home

By Sara Pennypacker, Jon Klassen

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Pax Journey Home

By Sara Pennypacker, Jon Klassen

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I Want My Hat Back

By Daniel Pinkwater, Jon Klassen

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This is not my hat

By Jon Klassen

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When a tiny fish shoots into view wearing a round blue topper (which happens to fit him perfectly), trouble could be following close behind!

I Want My Hat Back

By Jon Klassen Illustrated By Jon Klassen

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A New York Times Best Illustrated Children's Book of 2011!A picture-book delight by a rising talent tells a cumulative tale with a mischievous twist.The bear’s hat is gone, and he w...

We Found a Hat

By Jon Klassen Illustrated By Jon Klassen

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Hold on to your hats for the conclusion of the celebrated hat trilogy by Caldecott Medalist Jon Klassen, who gives his deadpan finale a surprising twist.Two turtles have found a hat. The hat looks...

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.