Paul O. Zelinsky Books

Award winning author/adapter/illustrator Paul O. Zelinsky's Caldecott Medal Winning book! Perfect for readers of all fairy tales."A breathtaking interpretation gives the fairy tale new art-historic...

Toys Come Home

By Emily Jenkins, Paul O. Zelinsky

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“A bit like the great movie Toy Story and a bit like the wonderful Kate DiCamillo book The Miraculous Journey of Edward Tulane. This is a great family book.” —The Washington Post on Toys Go Out, th...

Dust Devil

By Paul O. Zelinsky, Anne Isaacs

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Here is the thrilling, thigh-slapping companion to Swamp Angel, the beloved Caldecott Honor–winning picture book. Swamp Angel has a reputation as the greatest woodswoman and wildest wildcat in all...

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.