John Robert Allman Books

Boys Dance! (American Ballet Theatre)

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A lively and encouraging picture book celebrating boys who love to dance, from the renowned American Ballet Theatre.Boys who love to dance are center stage in this encouraging, positive, rhyming pi...

B Is for Broadway

By John Robert Allman, Peter Emmerich

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“A must-have for all Broadway lovers—B Is for Broadway—a book I am actually in!!! I am buying a dozen.” —ROSIE O’DONNELL, Isabelle Stevenson Award recipient...

J Is for Judy

By John Robert Allman, Peter Emmerich

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From Audrey Hepburn to Zsa Zsa Gabor, here is a star-studded alphabet book featuring the greatest ladies of the classic era of American movies. Brought to you by the creators of A Is for Audra...

Is for Audrey

By John Robert Allman, Peter Emmerich

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Night Before the Nutcracker

By John Robert Allman

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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.