Betsy Duffey Books

Puppy love

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When fourth graders Evie and Megan start the Pet Patrol to solve animal problems, they soon have their hands full taking care of an army of homeless puppies.

Dog diaries

By Betsy Cromer Byars

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At the first annual meeting of WOOF--Words of Our Friends--assorted dogs preserve their heritage by sharing tales of canines throughout history, including Abu, who ruled all of Egypt except for one...

Throw Away Pets

By Betsy Duffey

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Alien for Rent

By Betsy Duffey

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Cody s Secret Admirer

By Betsy Duffey

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How to Be Cool in the Third Grade

By Betsy Duffey

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Spotlight on Cody Puffin Chapters

By Betsy Duffey

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Fur Ever Yours Booker Jones

By Betsy Duffey

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Big Book of Pet Stories

By Betsy Duffey, Angie Sage, Elizabeth Hawkins

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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.