Ferdinand Protzman Books

Wide Angle

By Ferdinand Protzman

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Landscape

By Ferdinand Protzman

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Work

By Ferdinand Protzman

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Culled from National Geographic's photographic archive as well as other important collections, this wide-ranging volume presents a varied group portrait of people at work--in great cities and tiny...

Love

By Ferdinand Protzman

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Work

By Ferdinand Protzman

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National Geographic is pleased to present our new Collectors Series. Each volume is a fresh presentation of one of our world-famous photography books. Our first volume, Work, showcases this most un...

Live laugh celebrate

By Ferdinand Protzman

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Love

By Ferdinand Protzman

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Universally desired and uniquely experienced, love finds expression in every land and culture. This enchanting new book celebrates the depth and diversity of love—at many moments in history,...

Helsinki School The

By Ferdinand Protzman, Timothy Persons, Andrea Holzherr

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Paisajes Del Mundo Artes Visuales

By National Geographic

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The Other Side of War

By Zainab Salbi

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Zainab Salbi's media profile soared with her first book, a memoir of growing up in Saddam Hussein's inner circle. Her foundation, Women for Women International, plays a vital role in helping to hea...

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.