Martin B. Duberman Books

Hidden from History

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Winner of two Lambda Rising AwardsThis richly revealing anthology brings together for the first time the vital new scholarly studies now lifting the veil from the gay and lesbian past. Such notable...

About time

By Martin B. Duberman

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Cures

By Martin B. Duberman

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Stonewall

By Martin B. Duberman, Martin Bauml Duberman

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Hidden from History

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Left Out

By Martin B. Duberman

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Paul Robeson

By Martin B. Duberman

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Has the gay movement failed

By Martin B. Duberman

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"The past fifty years have seen significant shifts in attitudes toward LGBTQ people and wider acceptance of them in the United States and the West. Yet the extent of this progress, argues Martin Du...

Black Mountain

By Martin B. Duberman

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Cures

By Martin B. Duberman

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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.