Michael Lesy Books

The forbidden zone

By C. K. Williams, Michael Lesy

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Long Time Coming: A Photographic Portrait of America, 1935-1943

By Michael Lesy, Michael Lesy Ph.D.

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"Long Time Coming is derived from the 145,000 photographs made between 1935 and 1943 by a team of now-famous photographers employed by the Farm Security Administration (FSA), whose ranks included A...

Angel s World

By Michael Lesy

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Looking backward

By Michael Lesy

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"In 1900 the stereograph was king. Its three-dimensional optics created a virtual presence for the viewer. Millions of Americans, especially schoolchildren, absorbed ideas about race, class, and ge...

Murder City

By Michael Lesy

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Time frames

By Michael Lesy

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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.