Allan Carpenter Books

Motivation of human and animal behavior

By Konrad Lorenz

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Florida

By Allan Carpenter

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An introduction to the history, geography, natural resources, people, and places of interest of the Sunshine State.

New Mexico

By Allan Carpenter, John Allan Carpenter

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Introduces the former Spanish territory nicknamed The Land of Enchantment, now known for its captivating scenery and grazing lands

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.