Michael Lowenthal Books

Sex with Strangers

By Michael Lowenthal

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Friends and Lovers

By Michael Lowenthal

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The Same Embrace

By Michael Lowenthal

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Obsessed

By Michael Lowenthal

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Friends and Lovers

By Michael Lowenthal, John Preston, Various

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From the editor of Hometowns and A Member of the Family, this new anthology expands the literature that defines contemporary gay life. Its compelling essays serve as testaments to an evolving gay c...

The same embrace

By Michael Lowenthal

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Once, in sleep, two boys breathed in perfect rhythm. But the once unbreakable bond between identical twins Jacob and Jonathan Rosenbaum has become as tenuous as their futures - their adult estrange...

Charity girl

By Michael Lowenthal

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During World War I, after an impulsive night with an infected soldier, Frieda Mintz, a seventeen-year-old Jewish girl, is sent to a makeshift detention center for medical treatment with other "char...

Charity Girl

By Michael Lowenthal

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The Badboy Erotic Library

By Michael Lowenthal

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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.