A. E. Hotchner Books

King of the Hill

By A. E. Hotchner

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The Amazing Adventures of Aaron Broom

By A. E. Hotchner

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Twelve-year-old Aaron Broom is protecting his father’s car from repossession when he witnesses a jewelry store robbery gone wrong. To Aaron’s shock, his father, a struggling salesman in the wrong p...

Kissing the Wind

By A. E. Hotchner

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From the author of the international bestseller Papa Hemingway, based on his own experiences: the story of a man struggling to overcome a rare syndrome that causes terrifying hallucinations, who ev...

Sophia Living and Loving

By Sophia Loren, A. E. Hotchner

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Shameless Exploitation in Pursuit of the Common Good

By Paul Newman, A. E. Hotchner

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Ernest Hemingway s After the Storm

By A. E. Hotchner

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Papa Hemingway

By A. E. Hotchner

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Dear Papa dear Hotch

By Ernest Hemingway

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"The collected correspondence between Ernest Hemingway and A. E. Hotchner. Includes more than 160 letters, cables, and cards the two friends exchanged from 1948 to 1961. With annotations and a text...

Doris Day

By Doris Day, A. E. Hotchner

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Hemingway and His World

By A. E. Hotchner

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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.