John Dougherty Books

Stinkbomb and Ketchup-Face and the Pizza of Peril

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There is something cheesy going on in the kingdom of Great Kerfuffle! The rascally BADgers have escaped from jail again and they made an amazing discovery--a pizza mine! They love eating it, of cou...

Stinkbomb and Ketchup-Face and the Quest for the Magic Porcupine

By John Dougherty Illustrated By Sam Ricks

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The BADgers are back in Stinkbomb and Ketchup-Face's second adventure, perfect for fans of The Stinky Cheese Man and Pseudonymous Bosch.The villainous badgers have escaped from prison, and it's up...

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.