Sally M. Walker Books

Describes the life of Mary Anning, who discovered many of the best and most complete fossils in nineteenth-century England, yet received little credit for her work.

Mary Anning

By Sally M. Walker

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Fossil Fish Found Alive

By Sally M. Walker

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Describes the 1938 discovery of the coelacanth, a fish previously believed to be extinct, and subsequent research about it.

Mystery Fish

By Sally M. Walker

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Supercroc Found On My Own Science

By Sally M. Walker

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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.