Patty Campbell Books

Robert Cormier

By Patricia J. Campbell, Patty Campbell

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Robert Cormier

By Patty Campbell

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In a provocative anthology, two editors with opposing viewpoints present an unflinching collection of works reflecting on the nature of war.Marc Aronson thinks war is inevitable. Patty Campbell thi...

Two pioneers of young adult library services

By Patricia J. Campbell

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New Zealand by motorhome

By David Shore

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Europe Free the Car Van and Rv Guide

By David Shore, Patty Campbell

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Europe by van and motorhome

By David Shore

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Europe by van and motorhome

By David Shore

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Europe by Van and Motorhome

By David Shore Patty Campbell

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Spirituality in young adult literature

By Patricia J. Campbell

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In a time when almost any gritty topic can be featured in a young adult novel, there is one subject that is avoided by writers and publishers. Faith and belief in God seldom appear in traditional f...

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.