Harry Cooper Books

Stuart Davis

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"Hailed as a precursor of both pop art and contemporary abstraction, Stuart Davis captured the energy of mass culture and modern life. Beginning in 1921, a series of breakthroughs led him to develo...

Jack Tworkov

By Jack Tworkov, Harry Cooper

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When eagles soared

By Harry Cooper

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U Boat

By Harry Cooper

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Hitler in Argentina

By Harry Cooper

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Hitler and the Secret Alliance

By Harry Cooper

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U Boat Vol. 10

By Harry Cooper

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Ellsworth Kelly

By Ellsworth Kelly, Harry Cooper

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Line form color

By Ellsworth Kelly

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Mondrian: the transatlantic paintings

By Harry Cooper

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"Just before World War II, Piet Mondrian fled from Paris to London and later to New York, where he lived until his death in 1944. Upon his arrival in Manhattan, the artist began reworking seventeen...

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.