Eric Barclay Books

Sheep Dog and Sheep Sheep Baaad Hair Day

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How to Dress a Dragon

By Eric Barclay, Thelma Lynne Godin

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There Was a Silly Unicorn Who Wanted to Fly

By Eric Barclay, Ken Geist

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Once upon a Goat

By Eric Barclay, Dan Richards

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Once upon a Goat

By Eric Barclay, Dan Richards

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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.