Cori Doerrfeld Books

Good dog

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A stray dog encounters all sorts of trouble when he follows a girl into town. He gets lost. He s nearly run over. And he gets called a bad dog by a bakery owner. But when the dog and the girl reu...

Wild Baby

By Cori Doerrfeld

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The Rabbit Listened

By Cori Doerrfeld

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Little Bunny Foo Foo

By Cori Doerrfeld

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The Rabbit Listened

By Cori Doerrfeld

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A moving and universal picture book about empathy and kindness, sure to soothe heartaches big and small—now a New York Times bestseller and a perfect gift for any special occasionWhen somethi...

Believe your eyes. 1

By Cori Doerrfeld

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A lot is changing for Cici. Her parents are separating, her wacky abuela is moving in, and on her tenth birthday, she wakes up with fairy wings! Cici's new magical powers let her see people as they...

Maggie and Wendel

By Cori Doerrfeld

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In this charming picture book, brother and sister elephants come together for an afternoon of epic adventures as they let their big imaginations take them to the wildest of places! When it comes to...

Truth in sight

By Cori Doerrfeld

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Cici has a lot to figure out. She's learning how to make friends. She's learning how to be a better big sister. Oh, and she's learning how to use her fairy powers! Things look easy for Kendra, a po...

A perfect view

By Cori Doerrfeld

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Cici is ready for all her favorite camping activities! She has everything planned for the trip with her dad, her sister, and her friend Kendra. But with Cici's new fairy powers, nature has more in...

The Rabbit Listened

By Cori Doerrfeld

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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.