John Carreyrou Books

Bad Blood

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NATIONAL BESTSELLER • The gripping story of Elizabeth Holmes and Theranos—one of the biggest corporate frauds in history—a tale of ambition and hubris set amid the bold promises of Silicon Valley,...

Bad Blood

By Will Damron, John Carreyrou

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Picador Bad Blood

By John Carreyrou

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Bad Blood

By John Carreyrou

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In 2015, Theranos founder and CEO Elizabeth Holmes was widely seen as the female Steve Jobs: a brilliant Stanford dropout whose startup 'unicorn' promised to revolutionize the medical industry with...

Bad Blood

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The full inside story of the breathtaking rise and shocking collapse of a multibillion-dollar startup, by the prize-winning journalist who first broke the story and pursued it to the end in the fac...

Bad blood

By John Carreyrou

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In 2015, Theranos founder and CEO Elizabeth Holmes was widely seen as the female Steve Jobs: a brilliant Stanford dropout whose startup "unicorn" promised to revolutionize the medical industry with...

Kotu Kan

By John Carreyrou

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Huai xue

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Mala sangre

By John Carreyrou

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Bad Blood. Fraude Bilionaria no Vale do Silicio

By John Carreyrou

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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.