Marcy Campbell Books

Adrian Simcox Does NOT Have a Horse

By Marcy Campbell, Marcy Campbell Illustrated By Corinna Luyken

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A classic in the making, this heartwarming story about empathy and imagination is one that families will treasure for years to come.Adrian Simcox tells anyone who will listen that he has a horse--t...

Rule of Threes

By Marcy Campbell

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Adrian Simcox Does NOT Have a Horse

By Corinna Luyken, Marcy Campbell

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The More You Give

By Marcy Campbell, Francesca Sanna

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A modern-day response to The Giving Tree, this lyrical picturebook shows how a family passes down love from generation to generation, leaving a legacy of growing both trees and community.Once there...

The More You Give

By Marcy Campbell, Francesca Sanna

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Something Good

By Corinna Luyken, Marcy Campbell

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Something Good

By Corinna Luyken, Marcy Campbell

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Rule of Threes

By Marcy Campbell

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Adrian in Ati Yok

By Marcy Campbell

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More You Give

By Marcy Campbell

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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.