John Schu Books

Children’s literacy advocate John Schu and Caldecott Honor recipient Lauren Castillo celebrate the power of finding the perfect book—in a story that’s more relevant than ever.This...

This Is a School

By John Schu Illustrated By Veronica Miller Jamison

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A moving celebration of school and all it may signify: work and play, creativity and trust, and a supportive community that extends beyond wallsA school isn’t just a building; it is all the p...

Louder Than Hunger

By John Schu

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An instant New York Times bestseller!“Every so often a book comes along that is so brave and necessary, it extends a lifeline when it’s needed most. This is one of those books.” &...

This Is a Story

By Lauren Castillo, John Schu

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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.

John Schu Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?