Marcus Sakey Books

At the City's Edge: Chicago Crime Fiction

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Good people - caught in a bad place ... When Tom and Anna Reed find $370,000 in their house one night it seems as if all their problems are solved. But what they can't quite wrap their minds around...

No turning back

By Marcus Sakey

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Alex is failing as a father. Ian keeps dangerous secrets. Jenn wants adventure. Mitch wants Jenn. Four friends just scraping by, finding comfort in each other and the hope that things will get bett...

The blade itself

By Marcus Sakey

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How far would you go to protect everything you love? On the South Side of Chicago, you're only as strong as your reputation. Danny Carter and his best friend, Evan, earned theirs knocking over pawn...

The blade itself

By Marcus Sakey

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The Blade Itself Crime Scene

By Marcus Sakey

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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.