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...

Discipline Is Destiny

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The instant New York Times, Wall Street Journal, and USA Today Bestseller!In his New York Times bestselling book Courage is Calling, author Ryan Holiday made the Stoic case for a bold and brav...

INSTANT #1 NEW YORK TIMES BESTSELLERIn his New York Times bestselling book, Discipline Is Destiny, Ryan Holiday made the Stoic case for a life of self-discipline. In this much-anticipated third ins...

Dein Ego ist dein Feind

By Ryan Holiday

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Der tagliche Stoiker

By Ryan Holiday, Stephen Hanselman

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Dein Hindernis ist Dein Weg

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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...

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.