Mason Klein Books

Modigliani Unmasked

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"One of the great artists of the 20th century, Amedeo Modigliani (1884-1920) is celebrated for revolutionizing modern portraiture, particularly in his later paintings and sculpture. Modigliani Unma...

Helena Rubinstein

By Rubinstein Helena, Mason Klein, Michele Fitoussi, Paul Salmona, Danielle Spera

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Modern Look

By Mason Klein, Leslie Camhi, Maurice Berger, Marvin Heiferman

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Alias Man Ray

By Mason Klein

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The radical camera

By Mason Klein

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"Artists in the Photo League, active from 1936 to 1951, were known for capturing sharply revealing, compelling moments from everyday life. Their focus centered on New York City and its vibrant stre...

Helena Rubinstein

By Mason Klein

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This is the first exhibition to explore the ideas, innovations, and influence of the legendary cosmetics entrepreneur Helena Rubinstein. Madame (as she was universally known) helped break down the...

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.