Donna Gephart Books

In Your Shoes

By Donna Gephart

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How to Survive Middle School

By Donna Gephart

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Eleven-year-old David Greenberg dreams of becoming a TV superstar like his idol, Jon Stewart. But in real life, David is just another kid terrified of starting his first year at Harman Middle Schoo...

How to Survive Middle School

By Donna Gephart

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When thirteen-year-old David Greenberg's best friend makes the start of middle school even worse than he feared it could be, David becomes friends with Sophie, who shares his love of television sho...

In Your Shoes

By Donna Gephart

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"A unique and compelling novel from a master storyteller."—School Library Journal, starred review The critically acclaimed author of Lily and Dunkin delivers another heartfelt story that...

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.