Daniel Cohen Books

Civil War Ghosts

By Daniel Cohen, Cohen Daniel

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SIX PACK AND A FAKE ID A High School Help Line

By Daniel Cohen

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When someone you know is gay

By Daniel Cohen, Susan Cohen

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Describes the history, possible causes, and social, religious, and political aspects of male and female homosexuality, with an emphasis on the problems experienced by gay teens in coming out to fam...

WHAT YOU CAN BELIEVE ABOUT DRUGS High School Help Line

By Daniel Cohen

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Prehistoric Animals

By Daniel Cohen

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Frauds Hoaxes and Swindles

By Daniel Cohen

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Monsters, giants and little men from Mars

By Daniel Cohen

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Witchcraft, superstition & ghostly magic

By Daniel Cohen

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Examines the origins and meaning of various superstitions concerning magic, foretelling the future, communication with the spirit world, and other aspects of the occult.

Biorhythms Your Life

By Daniel Cohen

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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.