Ellen Singer Books

The Many Faces of Judaism

By Ellen Singer, Gilbert S. Rosenthal

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Geliebt gequalt gehetzt. Stalking Eine Frau flieht vor ihrem gewalttatigen Mann.

By Ellen Singer

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No te devores el marshmallow...nunca!

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¡El secreto para conquistar las recompensas en periodos de transición! Joachim de Posada, conferencista motivacional internacional y autor del best seller No te comes el marshmallow...¡todavía! h...

No te comas el marshmallow...todavia

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BESTSELLER INTERNACIONAL¿Qué separa a los futuros triunfadores de los demás? Una simple decisión que cambió sus vidas…Arthur es un chofer que puede completar el crucigrama del New York Times en tre...

Don't Eat The Marshmallow Yet!

By Ellen Singer, Joachim De Posada

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Learn how to achieve success—and eat your marshmallows, too—with this motivational, life-changing book.What explains the difference between success and failure? And what does it mean to...

Don't Gobble the Marshmallow Ever!

By Joachim De Posada

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Don t Gobble the Marshmallow Ever

By Joachim De Posada

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Don't Gobble the Marshmallow Ever!

By Ellen Singer, Joachim De Posada

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Maintain the Marshmallow Principle-with this follow-up to the international bestseller! Everyone's favorite stumbling striver returns in another simple and telling parable from acclaimed motivatio...

Quicksand

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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.