Duff Books

Operation heartbreak
Good Housekeeping wholefood cookery
Review of the Activated Carbon Industry Scope for Oil Palm Kernel Shell as a Raw Material
Toronto then & now
Toronto then & now

By J. Clarence Duff

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Geology of England and Wales
Geology of England and Wales

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Marooned
Marooned

By Harvey Duff

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"... was written to involve students in a unique simulation experience to develop their understanding of culture. Students take on the roles of a group of young people marooned on an uninhabited tr...

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Wanderer s Storm Song
Wanderer s Storm Song

By Steven Duff

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A Metric Guide for Health Professionals on Dosages Solutions
Low Life
Low Life

By Mike Duff

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From Slave to Emperor
From Slave to Emperor

By Duff, Frank, Et. Al.

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Related Articles from our Blog

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.

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