Mary LeClair Books

Three 19th-Century Women Doctors: Elizabeth Blackwell, Mary Walker And Sarah Loguen Fraser

By Susan Keeter, Justin White, Mary LeClair, Mary K. LeClair, Justin D. White

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Today, close to half of all medical graduates in the United States are women. Such was not the case in the 19th century, when only a handful of women braved the barriers against their gender and pu...

Colin Firth Adult Coloring Book

By Mary LeClair

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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.