John Loengard Books

Age of Silver Encounters with Great Photographers

By John Loengard

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Georgia O Keeffe at Ghost Ranch

By John Loengard

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"The American artist Georgia O'Keeffe had been living alone on the Ghost Ranch in New Mexico for seventeen years when photographer John Loengard, on assignment for Life magazine, visited her there...

Georgia O Keeffe John Loengard

By Georgia O Keeffe, John Loengard

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Photographic portraits taken in 1966 and 1967 of O'Keefe and her New Mexico surroundings are paired with reproductions of her some of her paintings.

Life Faces

By John Loengard

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Moment by Moment

By John Loengard

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Life

By John Loengard

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Life

By John Loengard

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Life classic photographs

By John Loengard

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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.