Daniel Keyes Books

Flowers for Algernon Heinemann Plays

By Daniel Keyes, Bert Coules

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Unveiling Claudia

By RH Value Publishing

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FLOWERS FOR ALGERNON made its first appearance as a short story which was rapidly and widely anthologized, and translated internationally. It received further acclaimed as a memorable television dr...

The minds of Billy Milligan

By Daniel Keyes

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Flowers for Algernon

By Daniel Keyes

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Flowers for Algernon

By Daniel Keyes

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Flowers for Algernon

By Daniel Keyes

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The Minds of Billy Milligan

By Daniel Keyes

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From the acclaimed author of Flowers for Algernon comes the shocking true story of a man battling multiple personality disorder—the inspiration for the streaming series The Crowded Room, starring T...

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.