Simon LeVay Books

Here Be Dragons

By David W. Koerner, Simon LeVay

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Discovering Human Sexuality

By John Baldwin, Simon LeVay, Janice Baldwin

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Gay, Straight, and the Reason Why: The Science of Sexual Orientation

By Simon LeVay

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Gay, Straight, and the Reason Why: The Science of Sexual Orientation

By Simon LeVay

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Written with the same clarity, directness, and humor that have made Simon LeVay one of the most popular lecturers at Harvard Medical School and at the University of California, San Diego, The Sexua...

Queer Science

By Simon LeVay

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Sexual Brain

By Simon LeVay

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The Earth in Turmoil

By Simon LeVay, Kerry Sieh

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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.