Donald E. Westlake Books

Trust me on this

By Donald E. Westlake

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The split

By Donald E. Westlake

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The outfit

By Donald E. Westlake

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The mourner

By Donald E. Westlake

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Memory

By Donald E. Westlake

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THE CRIME WAS OVER IN A MINUTE –  THE CONSQUENCES LASTED A LIFETIME Hospitalized after a liaison with another man’s wife ends in violence, Paul Cole has just one goal: to rebuild h...

Gangway

By Donald E. Westlake

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What's the worst that could happen?

By Donald E. Westlake

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It started with a ring. A cheap ring. The yellow metal said brass, not gold, and the sparkly bits were certainly not diamonds. But the ring belonged to May's horseplaying uncle, who swore it brough...

Bad news

By Donald E. Westlake

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Breakout

By Donald E. Westlake

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The road to ruin

By Donald E. Westlake

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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.