Patrick Radden Keefe Books

Unspeakable Acts: True Tales of Crime, Murder, Deceit, and Obsession

By Patrick Radden Keefe, Sarah Weinman

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The Snakehead

By Patrick Radden Keefe

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In this thrilling panorama of real-life events, the bestselling author of Empire of Pain investigates a secret world run by a surprising criminal: a charismatic middle-aged grandmother, who from a...

Say Nothing

By Patrick Radden Keefe

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NEW YORK TIMES BESTSELLER • NOW AN FX LIMITED SERIES STREAMING ON HULU • NATIONAL BOOK CRITICS CIRCLE AWARD WINNER • From the author of Empire of Pain—a stunning, intricate narrative about a notori...

Empire of Pain

By Patrick Radden Keefe

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NEW YORK TIMES BESTSELLER • A NEW YORK TIMES NOTABLE BOOK OF THE YEAR • A grand, devastating portrait of three generations of the Sackler family, famed for their philanthropy, whose fortune was bui...

Empire of Pain

By Patrick Radden Keefe

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Empire of Pain

By Patrick Radden Keefe

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NATIONAL BOOK CRITICS CIRCLE NOMINEE • A NEW YORK TIMES NOTABLE BOOK OF THE YEAR • NEW YORK TIMES BEST SELLER • A grand, devastating portrait of three generations of the Sackle...

Chatter

By Patrick Radden Keefe

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Chatter

By Patrick Radden Keefe

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A look inside the secret world of the American intelligence establishment and its link to the global eavesdropping network "Echelon" assesses how much privacy Americans have unwittingly sacrificed...

Chatter

By Patrick Radden Keefe

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Empire of Pain

By Patrick Radden Keefe

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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.