Sónia Murphy Books

The green monster

By Sonia Murphy

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Casey helps Michaelangelo and Donatello keep a nosey television monster-hunter from revealing their existence.

The secret

By Sonia Murphy, Murphy Stephen, Steve Murphy

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When Raphael gives Michelangelo a cat for his birthday, Master Splinter quickly insists that it cannot stay.

The Master s Book Teenage Mutant Ninja Turtles

By Stephen Murphy, Sonia Murphy

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Tales of the Teenage Mutant Ninja Turtles Volume 5

By Jim Lawson, Steph Dumais, Scott Cohn

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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.