Michael J. Deraney Books

Warm in Winter

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A cozy visit with her friend Rabbit, featuring a soft flannel nightie and hot carrot soup, convinces a skeptical Badger that you really can be warm in winter.

Yussel's prayer

By Barbara Cohen

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A cowherd's simple but sincere Yom Kippur prayer is instrumental in ending the day's fast.

Yussel s Prayer

By Michael J. Deraney, Barbara Cohen

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Little Pie Company of the Big Apple s Pies and Other Dessert Favorites

By Michael J. Deraney, Arno Wilk

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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.