Daniel Keyes Books

Des fleurs pour Algernon

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Il s'appelle Charlie Gordon, c'est un simple d'esprit, un minable, employé aux plus basses besognes dans une usine. Algernon, elle, est une souris de laboratoire et le traitement du Professeur Nemu...

Des fleurs pour algernon

By Daniel Keyes

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Des fleurs pour Algernon

By Henry Luc Planchat, Gregory Gadebois, Daniel Keyes

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Billy Milligan

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Die Leben des Billy Milligan

By Daniel Keyes

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Die funfte Sally

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Czlowiek o 24 twarzach

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Kwiaty dla Algernona

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Algernon, Charlie, and I: A Writer's Journey

By Daniel Keyes

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The touch

By Daniel Keyes

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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.