Donald C. Johanson Books

In 1974 in a remote region of Ethiopia, Donald Johanson, then one of America's most promising young paleoanthropologists, discovered "Lucy", the oldest, best preserved skeleton of any erect-walking...

Lucy's Child: The Discovery of a Human Ancestor

By Donald C. Johanson, James Shreeve

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The story of Johanson's major paleoanthropological discovery at Olduvai Gorge in July 1986.

Lucy

By Donald C. Johanson, Maitland Armstrong Edey

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Lucy

By Donald C. Johanson, Maitland Armstrong Edey

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From Lucy to Language

By Blake Edgar, Donald C. Johanson

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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.