Sandra Markle Books

Great Monkey Rescue

By Sandra Markle, Book Buddy Digital Media Staff

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Great Monkey Rescue

By Sandra Markle, Book Buddy Digital Media Staff

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Great Penguin Rescue

By Sandra Markle

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Snowy Owl Invasion

By Sandra Markle

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The great penguin rescue

By Sandra Markle

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African Penguins are in trouble, and many people are trying to help. Scientists and volunteers are working together in South Africa to create a hopeful future for these birds, one fluffy chick at a...

Rescues

By Sandra Markle

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What If You Had an Animal Nose

By Sandra Markle, Howard McWilliam

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What If You Had Animal Teeth

By Sandra Markle

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I Wish I Was a Lion

By Sandra Markle

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I Wish I Was an Orca Ranger Rick

By Sandra Markle

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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.