Patrick Conrad Books

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"For Victor Cox, a professor of film history, the Hollywood films noirs of the 1940s and 1950s are more real than his daily life. When his wife is found drowned, Cox is the first murder suspect. He...

Allegria! Allegria!

By Patrick Conrad

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Hugues C. Pernath

By Patrick Conrad

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De vernieling

By Patrick Conrad

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De tranen van Mary Pickford

By Patrick Conrad

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Ba!

By Patrick Conrad

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Limousine

By Patrick Conrad

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Luwte

By Patrick Conrad

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Op de Franse duinen

By Conrad Patrick.

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Good morning, Hoboken

By Patrick Conrad

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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.