Ryan Holiday Books

El ego es el enemigo

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Es frecuente ver en el entorno los obstáculos para lograr nuestras metas. Sin embargo, hay un poderoso enemigo interior que es en realidad la causa que nos impide avanzar en muchos sentidos: el ego...

La llamada del coraje Courage Is Calling: Fortune Favors the Brave

By Ryan Holiday

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LA LLAMADA DEL CORAJE NOS LLEGA A CADA UNO DE NOSOTROS UNA VEZ EN LA VIDA. SI NO RESPONDES TÚ, ¿QUIÉN LO HARÁ? SI NO ES AHORA, ¿CUÁNDO? Nada es posible si...

Olumsuz Satis Rekortmeni

By Ryan Holiday

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Diario para Estoicos Agenda Daily Stoic Journal Spanish Edition

By Ryan Holiday

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Diario para Estoicos Agenda Red Edition Daily Stoic Journal Spanish Edition

By Is Monraba, Ryan Holiday

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Agenda Del Diario para Estoicos Green Edition Daily Stoic Journal Spanish Edition

By Ryan Holiday

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La disciplina marcara tu destino Discipline Is Destiny: The Power of Self-Cont rol

By Ryan Holiday

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«Ryan Holiday ha traído las antiguas enseñanzas del estoicismo a millones de lectores, desde atletas y políticos hasta directores ejecutivos». -Good Morning America...

Het obstakel is de weg

By Ryan Holiday

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The Way, the Enemy, and the Key

By Ryan Holiday

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A timeless trilogy of the extraordinary bestsellers The Obstacle is the Way, Ego is the Enemy, and Stillness is the Key by Ryan Holiday, now available with the 10th anniversary edition of The Obsta...

Daily Dad

By Nils Parker, Ryan Holiday

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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.