Alexandra Penfold Books

We are brothers we are friends

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"A brother explains to his new baby brother all the fun adventures they will have together because they are brothers and friends"--

Food truck fest

By Alexandra Penfold

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A colorful, whimsical picture book about everyone's favorite kitchens-on-wheels: food trucks!

The littlest Viking

By Alexandra Penfold

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"The littlest Viking must deal with an even littler Viking--his new baby sister"--

The littlest Viking

By Alexandra Penfold

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"The littlest Viking must deal with an even littler Viking--his new baby sister"--

All Are Welcome (An All Are Welcome Book)

By Alexandra Penfold

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Join the call for a better world with this New York Times bestselling picture book about a school where diversity and inclusion are celebrated. The perfect back-to-school read for every kid, family...

All Are Welcome

By Alexandra Penfold

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Join the call for a better world with this New York Times bestselling picture book about a school where diversity and inclusion are celebrated. Perfect for back to school—no matter what that looks...

Big Feelings (An All Are Welcome Book)

By Suzanne Kaufman, Alexandra Penfold

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The newest picture book from the creators of All Are Welcome to help children navigate BIG FEELINGS!In their bestselling picture book All Are Welcome, Alexandra Penfold and Suzanne Kaufman celebrat...

New York a la cart

By Siobhan Wallace

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Tempete d Emotions

By Suzanne Kaufman, Alexandra Penfold

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All Are Welcome

By Alexandra Penfold

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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.