Robert Glück Books

Best American Gay Fiction 3

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"Whether exploring topics unique to the gay experience, reinventing a genre from a gay perspective, or observing straight life through queer eyes, the stories in the third volume of this acclaimed...

Jack the Modernist New Gay Writing

By Robert Gluck

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Cracks in the image

By Jon Ward, Richard Dipple, Simon Burt

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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.