Robert Chesley Books

Out Front

By Harry Kondoleon, William M. Hoffman, Holly Hughes, Martin Sherman, Terrence McNally, Harvey Fierstein, Robert Chesley, Emily Mann, Evan Smith

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Stray dog story

By Robert Chesley

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Hard Plays Stiff Parts

By Robert Chesley

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Monologue. Character: JR - Sex: Male - Dramatic - Age: thirties, forties, fifties, sixties - Homosexual.

Plays by Robert Chesley

By Robert Chesley

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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.