D. Downing Books

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School Art
School Art

By R. Watson, Dick Downing, D. Downing

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Academic Freedom in the Post 9 11 Era
Academic Freedom in the Post 9 11 Era

By E. Carvalho, D. Downing

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"Academic freedom has been a principle that undergirds the university since 1915. Beyond this, it also protects a spirit of free inquiry essential to a democratic society. But in the post-9/11 pres...

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Che Guevara
Che Guevara

By David Downing

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Great Depression
Great Depression

By D. Downing

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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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