A. E. Hotchner Books

O. J. in the Morning G T at Night

By A. E. Hotchner

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Hemingway in love

By A. E. Hotchner

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"In June of 1961, A.E. Hotchner visited an old friend in the psychiatric ward of St. Mary's Hospital. It would be the last time they spoke: a few weeks later, Ernest Hemingway was released home, wh...

Hemingway in Love His Own Story

By A. E. Hotchner

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Amazing Adventures of Aaron Broom

By A. E. Hotchner

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Newman s Own Cookbook

By Paul Newman, A. E. Hotchner

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Hemingway in Love

By A. E. Hotchner

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Hemingway in love

By A. E. Hotchner

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Papa Hemingway

By A. E. Hotchner

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The Treasure

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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.