Marti Green Books

Mallory Holcolm is an unfulfilled waitress and aspiring artist living in a Queens boardinghouse when she learns something astonishing about her past: she has an identical twin sister named Charly s...

First Offense

By Marti Green

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First Offense

By Tanya Eby, Marti Green

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Justice Delayed

By Marti Green

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Price of Justice

By Marti Green

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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.