Cathy Crimmins Books

Jokes My Father Never Taught Me: Life, Love, and Loss with Richard Pryor

By Rain Pryor, Cathy Crimmins

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Where Is the Mango Princess

By C. E. Crimmins, Cathy Crimmins

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Where Is the Mango Princess?

By Cathy Crimmins

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Humorist Cathy Crimmins has written a deeply personal, wrenching, and often hilarious account of the effects of traumatic brain injury, not only on the victim, in this case her husband, but on...

Tamagotchi

By Tom Maeder, Cathy Crimmins

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Tamagotchi Egg An Unoffical Guide

By Tom Maeder, Cathy Crimmins

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How the homosexuals saved civilization

By C. E. Crimmins, Cathy Crimmins

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How the Homosexuals Saved Civilization

By Cathy Crimmins

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A cultural history of the customs, fashions, and figures of gay life in the twentieth and the early twenty-first centuries-and how they have changed us for the better.How the Homosexuals Saved Civi...

The Dali Code

By Cathy Crimmins

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Dali Code

By Cathy Crimmins

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Als alles anders wurde.

By Cathy Crimmins

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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.