Thomas Kunkel Books

Man in Profile

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WINNER OF THE SPERBER PRIZE • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY SAN FRANCISCO CHRONICLE AND PUBLISHERS WEEKLY • This fascinating biography reveals the untold story of the legendary New Yor...

Letters from the Editor

By Harold Wallace Ross, Thomas Kunkel

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These exhilarating letters—selected and introduced by Thomas Kunkel, who wrote Genius in Disguise, the distinguished Ross biography—tell the dramatic story of the birth of The New Yorker and its pr...

Genius in Disguise

By Thomas Kunkel

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Genius in Disguise: Harold Ross of The New Yorker

By Thomas Kunkel

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"Magazines are about eighty-five percent luck," Harold Ross told George Jean Nathan. "I was about the luckiest son of a bitch alive when I started The New Yorker.". Ross was certainly lucky back i...

Genius in disguise

By Thomas Kunkel

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Enormous Prayers

By Thomas Kunkel

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Enormous prayers

By Thomas Kunkel

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Thomas Kunkel takes the reader along with him on a personal journey through the United States to meet twenty-eight working priests. Through absorbing portraits that enable each Father to speak for...

Man on Fire

By Thomas Kunkel

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Breach of Faith

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Letters of Harold Ross

By Thomas Kunkel

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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.