Daniel Freeman Books

"The world can certainly be a dangerous place. But have we lost the knack of judging risk? Are we letting paranoia get the better of us? In this thought-provoking book, based on the most up-to-date...

The Stressed Sex: Uncovering the Truth About Men, Women, and Mental Health

By Daniel Freeman

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"Are rates of psychological disorder different for men and women? The answer to this question, and its implications, are far-reaching. Here, Daniel Freeman and Jason Freeman uncover the links betwe...

Longman Photo Dictionary

By Daniel Freeman, Marilyn Rosenthal

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Longman Photo Dictionary: Wall Chart Set 2

By Daniel Freeman, Marilyn Rosenthal

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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.