William A. Hillix Books

Animal Bodies, Human Minds: Ape, Dolphin, and Parrot Language Skills

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"Animal Bodies, Human Minds: Ape, Dolphin, and Parrot Language Skills is the first work of its kind to treat the history of language research with a broad selection of animals. The volume describes...

Systems and theories in psychology: a reader

By William A. Hillix

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Brownie Bear and the Baby Pigs

By Al Hillix

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Animal Bodies Human Minds

By Duane Rumbaugh, W. A. Hillix

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Animal Bodies Human Minds

By Duane Rumbaugh, W. A. Hillix

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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.