Arnie Kantrowitz Books

Under the rainbow

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Under the Rainbow is one of the few genuine gay classics, the moving account of a life that has bridged the gap between the world before Stonewall and the world after. From growing up gay in the fi...

Under the rainbow

By Arnie Kantrowitz

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Walt Whitman Lives of Notable Gay Men and Lesbians

By Arnie Kantrowitz

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Walt Whitman

By Arnie Kantrowitz

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Walt Whitman

By Arnie Kantrowitz

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Gay and Lesbian Writers

By Jeff Nunokawa, Randall Kenan, Arnie Kantrowitz

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Under Rainbow

By Arnie Kantrowitz

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Walt Whitman Lives of Notable Gay Men and Lesbians Series

By Arnie Kantrowitz

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Song of Myself

By Lawrence D. Mass, Arnie Kantrowitz, Patrick Merla

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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.