Jack Patterson Books

The Warren Omissions

By Jack Patterson

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Cross the line

By Jack Patterson

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When veteran NFL quarterback Noah Larson finally guides his team to the Super Bowl, his dreams -- and life -- are dashed when his six-year-old son is kidnapped for a unique ransom: lose the game or...

Cross hairs

By Jack Patterson

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With small town journalist Cal Murphy quickly losing his big city dreams of writing for a metro newspaper, his passion is reignited when three star prep athletes are found dead in a 24-hour period.

Dead line

By Jack Patterson

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When veteran NFL quarterback Noah Larson finally guides his team to the Super Bowl, his dreams and life are dashed when his six-year-old son is kidnapped for a unique ransom: lose the game or his s...

Dead in the Water

By Jack Patterson

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Dead Shot

By Jack Patterson

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Penguins of America

By Jack Patterson, James Madsen

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Penguins of America

By James Patterson, Jack Patterson, James Madsen, Florence Yue

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Jeff s Route

By Jack O. Patterson

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South to Septentrion

By Jack Oliver Patterson

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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.