Karen Dudley Books

Great African Americans in government

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Contains thirteen biographies of African Americans who have made outstanding contributions to the fields of government, politics, and diplomacy.

Hoot to Kill Robyn Devara Mysteries

By Karen Dudley

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One of a "beautiful new wildlife series for young readers! Each volume explores one animal's features, habitat and behaviour to help students write reports, discuss environmental issues and examine...

Bald eagles

By Karen Dudley

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One of several "books in a series which combines environmental science with literature and folklore. Each book focuses on an animal, with fascinating facts about its features, habitat and behaviour...

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.