William H. Calvin Books

In a series of highly charged encounters before, after, and during neurosurgery, an epileptic patient, Neil; his surgeon, George Ojemann; and neuroscientist William Calvin explore the intricate lan...

A Brain for All Seasons: Human Evolution and Abrupt Climate Change

By William H. Calvin

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"The earth's climate does great flip-flops every few thousand years. Our ancestors lived through hundreds of such abrupt episodes since the more gradual Ice Ages began two and a half million years...

A Brain for All Seasons: Human Evolution and Abrupt Climate Change

By William H. Calvin

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Global Fever: How to Treat Climate Change

By William H. Calvin

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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.