Wendy Hartmann Books

One Sun Rises Mcgraw hill BIG BOOK

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All the magic in the world

By Wendy Hartmann

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All the Magic in the World

By Wendy Hartmann

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The children who play in the street laugh at the odd-job man Joseph for picking up string and other junk, until he shows them that magic can be found in even the simplest of things.

Dinosaurs Are Back and It s All Your Fault Edward Aladdin Picture Books

By Wendy Hartmann, Niki Daly

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The dinosaurs are back and it's all your fault, Edward!

By Wendy Hartmann

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Edward gets more and more nervous as his older brother tries to convince him that a dinosaur egg is about to hatch under his bed.

The Dinosaurs are Back and It s All Your Fault Edward

By Wendy Hartmann

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Ziggerty s Activity Book Tape Ziggerty s Activity

By C. Wildman, H. Robb, W. Hartman

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Ziggerty s Activity Book Tape Ziggerty s Activity

By C. Wildman, H. Robb, W. Hartman

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Ziggerty s Activity Book Tape Ziggerty s Activity

By C. Wildman, H. Robb, W. Hartman

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The Black Dog

By Wendy Hartman

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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.