Heather Alexander Books

Wallace and Grace and the cupcake caper

By Alexander Heather

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When Monty the chipmunk's cupcake is stolen, owl detectives Wallace and Grace try to find "whoo-done-it."

Wallace and Grace and the Cupcake Caper

By Heather Alexander

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Wallace and Grace and the lost puppy

By Alexander Heather

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While owl detectives Wallace and Grace are on a scavenger hunt, they find a lost puppy, Jasper, and try to help him find his way home.

Ocean

By Alexander Heather

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How do fish breathe? Why is the ocean salty? Why is a whale not a fish? Find out in this interactive book with 100 questions and answers and 70 flaps to lift. DISCOVER the difference between seas a...

VIP Dr. Mae Jemison

By Heather Alexander

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VIP Dr. Mae Jemison

By Heather Alexander

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Life on Earth Human Body

By Heather Alexander

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L Academie des sorciers

By Collectif

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Kodomo no tame no bijutsushi

By Heather Alexander

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Picture Book of Kids Science Popular Reading Through Flashlight 10 Volumes Chinese Edition

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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.