Ellen Mayer Books

Red Socks

By Ying Hwa Hu, Ellen Mayer

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Banana for Two

By Ying Hwa Hu, Ellen Mayer

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Gift & Box

By Brizida Magro, Ellen Mayer

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Follow the adventures of Gift and Box as they travel from Grandma's house to Sofia's front door!Gift and Box are a package, dropped off with love from Grandma at the local post office. But being a...

Gift & Box

By Brizida Magro, Ellen Mayer

Average: 0.00, 0 Ratings

Follow the adventures of Gift and Box as they travel from Grandma's house to Sofia's front door!Gift and Box are a package, dropped off with love from Grandma at the local post office. But being a...

Fish to Feed

By Ying Hwa Hu, Ellen Mayer

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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.