Mart Crowley Books

"In the heat of a blazing summer, three physically and spiritually exhausted Americans: Tom, a famous tennis pro; Dinah, his beautiful, cosmopolitan, not-yet divorced lover; and their mutual pal, M...

The Boys in the Band

By Mart Crowley

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Breeze from the Gulf

By Mart Crowley

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For Reasons That Remain Unclear

By Mart Crowley

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Avec Schmaltz

By Mart Crowley

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"There are all sorts of surpising complexities in the failed marriage of Kit, the WASP flame-haired rich girl, and Manny, the wry, wise-cracking Jewish TV composer, which has produced two precociou...

Eloise Takes a Bawth

By Mart Crowley, Hilary Knight, Kay Thompson

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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.