Alan Walker Books

The Ape in the Tree

By Walker Alan, Alan Walker, Pat Shipman

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Nariokotome Homo Erectus Skeleton

By Alan Walker, Richard Leakey

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The Human Skeleton

By David Bichell, Pat Shipman, Alan Walker

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A remarkable discovery was made a decade ago on a dig in northern Kenya. When all the bone and skull fragments were painstakingly pieced together, they revealed the nearly complete skeleton of a te...

The Wisdom of the Bones

By Alan Walker, Walker Alan., Pat Shipman

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"Fascinating. . . .  As engaging an explanation of how scientists study fossil bones as any I have ever read." --John R. Alden, Philadelphia InquirerIn 1984 a team of paleoanthropologists...

Breakthrough: rediscovery of the Holy Spirit.

By Walker Alan

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Breakthrough

By Alan Walker

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How Jesus Helped People

By Alan Walker

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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.