Curtis Patricia Books

Animal doctors

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Veterinarians discuss their attitudes toward their profession and describe their personal experiences. Supplementary information provides career guidance.

Animal rights

By Curtis Patricia

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Focuses on seven individuals who are working to defend and extend the rights of animals including pets, wild animals, zoo animals, laboratory animals, and others.

Animals you never even heard of

By Curtis Patricia

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Presents twelve animals that are rare, threatened, or endangered, including the jabiru, caracal, and babirusa.

Why isn't my daughter married?

By Curtis Patricia

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The urban dog

By Curtis Patricia

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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.