Daniel M. Klein Books

Blue Suede Clues

By Daniel M. Klein

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Travels with Epicurus

By Daniel M. Klein

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Daniel Klein journeys to the Greek island Hydra to discover the secrets of aging happily. Drawing on the lives of his Greek friends, as well as philosophers ranging from Epicurus to Sartre, [he] le...

The happily ever after handbook

By Daniel M. Klein

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Mis viajes con Epicuro

By Daniel M. Klein

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Travels with Epicurus

By Daniel M. Klein

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Travels with Epicurus: A Journey to a Greek Island in Search of an Authentic Old Age is a humorous, uplifting meditation on finding the pleasures of old age by the New York Times bestselling co aut...

Embryo

By Daniel M. Klein

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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.