Mary Ellen Hannibal Books

Leaves and Pods

By Mary Ellen Hannibal, Josie Iselin

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Good Parenting Through Your Divorce

By Mary Ellen Hannibal

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Good Parenting Through Your Divorce

By Mary Ellen Hannibal

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Here is a wide-ranging adventure in becoming a citizen scientist by an award-winning writer and environmental thought leader. As Mary Ellen Hannibal wades into tide pools, follows hawks, and scours...

Citizen Scientist

By Mary Ellen Hannibal

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The spine of the continent

By Mary Ellen Hannibal

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As climate change encroaches, animals and plants around the globe are having their habitats pulled out from under them. At the same time, human development has made islands out of even our largest...

Spine of the Continent

By Mary Ellen Hannibal

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Spine of the Continent

By Mary Ellen Hannibal

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Good Parenting Through Your Divorce

By Mary Ellen Hannibal

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Evidence of evolution

By Mary Ellen Hannibal

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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.