Cheryl Klam Books

Learning to Swim

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Seventeen-year-old Steffie Rogers is not happy. Her mother, Barbie, has been suffering from love lunacy since before Steffie was evenborn. What is love lunacy? It's what happens to her mom when she...

The Pretty One

By Cheryl Klam

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All Megan Fletcher had wanted was to be like her sister Lucy: a beautiful, thin girl whom everyone at the Chesapeake School for Performing Arts worshipped and adored. While Lucy was a star actress...

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.