Donald R. Prothero Books

Greenhouse of the dinosaurs

By Donald R. Prothero

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UFOs Chemtrails and Aliens

By Donald R. Prothero, Michael Shermer, Timothy D. Callahan

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Abominable science!

By Daniel Loxton

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Throughout our history, humans have been captivated by mythic beasts and legendary creatures. Tales of Bigfoot, the Yeti, and the Loch Ness monster are part of our collective experience. Now comes...

Have the Mountains Fallen

By Donald R. Prothero, Jeffrey B. Lilley, Timothy D. Callahan

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UFOs Chemtrails and Aliens

By Donald R. Prothero, Michael Shermer, Timothy D. CALLAHAN

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Bringing Fossils to Life

By Donald R. Prothero

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UFOs Chemtrails and Aliens

By Donald R. Prothero, Michael Shermer, Timothy D. Callahan

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Story of Life in 25 Fossils

By Donald R. Prothero, Gauri Viswanathan

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Evolution

By Carl Buell, Donald R. Prothero

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Evolution

By Donald R. Prothero

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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.