William H. Masters Books

Heterosexuality

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In 1966 William H. Masters and Virginia E. Johnson published their landmark study, Human Sexual Response, one of the first books to report scientifically on a subject shrouded in taboo and prudery...

Heterosexuality

By William H. Masters

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The Pleasure Bond

By Virginia E. Johnson, William H. Masters, Masters William Howell

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Ethical issues in sex therapy and research

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Homosexuality in perspective

By William H. Masters

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The authors offer findings on the comparative sexual responses of homosexuals and heterosexuals; comparative functional efficiencies of heterosexuals and homosexuals; a group of 12 ambisexuals; com...

Human Sexual Response

By William H. Masters

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Ethical Issues in Sex Therapy and Research Vol. 2

By Masters Undifferentiated

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Masters and Johnson on sex and human loving

By William H. Masters

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Study guide for Masters Johnson and Kolodny's Human sexuality

By Marvin R. Levy

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Human sexuality

By William H. Masters

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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.