Roger Lewin Books

People of the lake

By Richard E. Leakey

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Complexity: Life at the Edge of Chaos

By Roger Lewin, Lewin

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Origins

By Roger Lewin, Richard E. Leakey

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Where did we come from? Where are we going?Richard Leakey and Roger Lewin continue the pioneering field work of Louis and Mary Leakey by fitting together the pieces of our past to discover new ans...

Java Man: How Two Geologists Changed the History of Human Evolution

By Carl Swisher, Roger Lewin, Garniss Curtis, Carl Celso Swisher

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People of the Lake

By Roger Lewin, Richard E. Leakey

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People of the lake

By Richard E. Leakey

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The sixth extinction

By Richard E. Leakey

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There have been five great extinctions in the long history of life on earth, the most recent 65 million years ago, when all dinosaur species perished in an astonishingly brief period of time. Each...

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.