Alan Phenix Books

Frederick Hammersley

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American painter Frederick Hammersley (1919-2009) is best known for his hard-edged geometric abstractions. However, their elegant simplicity belies the complex system behind their creation. Thanks...

Use of Organic Solvents in Conservation

By Alan Phenix

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Some Instances in the History of Distilled Oil of Turpentine the Disappearing Painters Material

By Alan Phenix

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Drama and devotion

By Anne T. Woollett

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"Maerten van Heemskerck (1498-1574) was one of the most active and inventive Dutch painters of the sixteenth century. Over the course of his long career, he created lively mythological scenes, dram...

Jackson Pollocks Mural The Transitional Moment

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Roy Lichtenstein

By Rachel Rivenc, Alan Phenix, Clare Bell, Julie Wolfe

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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.