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...

Discipline Is Destiny

By Ryan Holiday

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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...

The Daily Dad

By Ryan Holiday

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“Life is short. Do not forget about the most important things in our life, living for other people and doing good for them.”—Marcus AureliusBecoming a parent is more than just a b...

Ego Is the Enemy

By Ryan Holiday

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The instant Wall Street Journal, USA Today, and international bestseller“While the history books are filled with tales of obsessive visionary geniuses who remade the world in their image with...

Growth Hacker Marketing

By Ryan Holiday

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A primer on the future of PR, marketing and advertising — now revised and updated with new case studies"Forget everything you thought you knew about marketing and read this book. An...

Wisdom Takes Work

By Ryan Holiday

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In this much-anticipated final installment in the Stoic Virtues series, Ryan Holiday makes the case for the virtue on which all other virtues depend.Of all the stoic virtues - courage, discipline,...

Wisdom Takes Work

By Ryan Holiday

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In this much-anticipated final installment in the Stoic Virtues series, Ryan Holiday makes the case for the virtue on which all other virtues depend.Of all the stoic virtues - courage, discipline,...

Wisdom Takes Work

By Ryan Holiday

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In this much-anticipated final installment in the Stoic Virtues series, Ryan Holiday makes the case for the virtue on which all other virtues depend.Of all the stoic virtues - courage, discipline,...

Wisdom Takes Work

By Ryan Holiday

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In this much-anticipated final installment in the Stoic Virtues series, Ryan Holiday makes the case for the virtue on which all other virtues depend.Of all the stoic virtues - courage, discipline,...

The Daily Stoic Journal

By Ryan Holiday, Stephen Hanselman

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Now enabled for Kindle Scribe!A beautiful daily journal to lead your journey in the art of living--and an instant WSJ bestseller.For more than two thousand years, Stoic philosophy has been the secr...

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.