Darlene Trew Crist Books

American gargoyles

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Explores the history and design of American gargoyles, featuring the stone carvings on buildings including Washington's National Cathedral, the Cathedral of St. John the Divine in New York, and the...

Losing Eubie

By Darlene Trew Crist

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First Census of Marine Life 2010

By Jesse H. Ausubel, Paul E. Waggoner, Darlene Trew Crist

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World ocean census

By Darlene Trew Crist

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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.