Ryan Holiday Books

Perennial Seller

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The book that Inc. says "every entrepreneur should read" and an FT Book of the Month selection...How did the movie The Shawshank Redemption fail at the box office but go on to gross more than $100...

The Boy Who Would Be King

By Victor Juhasz, Ryan Holiday

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Courage Is Calling

By Ryan Holiday

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The instant New York Times, Wall Street Journal, and USA Today Bestseller! Ryan Holiday’s bestselling trilogy—The Obstacle Is the Way, Ego is the Enemy, and Stillness is the Key&md...

Der tagliche Stoiker

By Ryan Holiday, Stephen Hanselman

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The Daily Stoic

By Ryan Holiday, Stephen Hanselman

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The beloved classic daily devotional of Stoic meditations—the only authorized print edition in the US and complete with a ribbon marker—with more than two million copies sold!Why have h...

The Daily Stoic

By Ryan Holiday, Stephen Hanselman

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From the team that brought you The Obstacle Is the Way and Ego Is the Enemy, a daily devotional of Stoic meditations—an instant Wall Street Journal and USA Today Bestseller.Why have history's...

Trust Me, I'm Lying

By Ryan Holiday

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The cult classic that predicted the rise of fake news—revised and updated for the post-Trump, post-Gawker age.   Hailed as "astonishing and disturbing" by the Financial Times and "essent...

#1 Wall Street Journal BestsellerThe Obstacle is the Way has become a cult classic, beloved by men and women around the world who apply its wisdom to become more successful at whatever they do. Its...

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.