Donald C. Johanson Books

Ecce Homo

By Donald C. Johanson, Giancarlo Ligabue

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Lucy

By Donald C. Johanson

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Lucy's Legacy

By Donald C. Johanson

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“Lucy is a 3.2-million-year-old skeleton who has become the spokeswoman for human evolution. She is perhaps the best known and most studied fossil hominid of the twentieth century, the benchmark by...

Lucy's Legacy

By Donald C. Johanson

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Journey from the Dawn

By Kevin O Farrell, Donald C. Johanson

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Lucy

By Donald C. Johanson

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From Lucy to Language

By Blake Edgar, Donald C. Johanson

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Skull of Australopithecus Afarensis

By Yoel Rak, William H. Kimbel, Donald C. Johanson

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Lucy

By Maitland Edey, Donald C. Johanson

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From Lucy to Language

By Edgar 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.