Mel Cebulash Books

Ruth Marini of the Dodgers Ruth Marini on the Mound

By Mel Cebulash

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Willie s Wonderful Pet

By Mel Cebulash

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Willie's unusual pet helps make the class Pet Day a success.

Spring Street Boys Hit the Road

By Mel Cebulash

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Bat boy

By Mel Cebulash

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The eighth-grade boys invite the new boy to join their baseball team, although he is very short.

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.