Cindy Derby Books

Outside In

By Cindy Derby, Deborah Underwood

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Un bosc dins meu

By Francesc Massana, Cindy Derby, Deborah Underwood

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Outside In

By Cindy Derby, Deborah Underwood

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Caldecott Honor winner Cindy Derby delivers an endearing picture book about an adorable (and ingenious!) panda bear who must find the grit within to climb--and overcome--a snowy, slippery mountain....

Oh, Panda

By Cindy Derby

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Blurp s Book of Manners

By Cindy Derby

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Boy and the Gorilla

By Cindy Derby, Jackie Azua Kramer

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How to Have a Birthday

By Cindy Derby, Mary Lyn Ray

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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.