Mark S. Waters Books

Mean Girls

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When a young girl who has lived in Africa and been homeschooled moves to New York, she must enter a public high school. Survival of the fittest takes on a whole new meaning when she falls for the e...

Ghosts of girlfriends past

By Scott Moore, Mark S. Waters, Jon Lucas, Brad Epstein, Jonathan Shestack

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Connor Mead is the kind of guy who dumps three girlfriends - at one time and by teleconference. So when he goes home to attend his brother's wedding, he has a singular goal in mind: score with the...

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Freaky Friday With Teacher's Guide

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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.