John Gallagher Books

"Max Meow's super heroics will have kids meow-ling with laughter!" —John Patrick Green, creator of the InvestiGators Meowza! Max Meow, Cat Crusader, and his best friend Mindy are ba...

Max Meow 6: When Pancakes Go Bad (Really Bad!)

By John Gallagher

Average: 0.00, 0 Ratings

Max Meow—the superhero with cat-itude and his best friend, Mindy (aka Science Kitty!) are back in the sixth volume of this action packed, laugh-out-loud funny graphic novel series that Kirkus...

Max Meow 6: When Pancakes Go Bad (Really Bad!)

By John Gallagher

Average: 0.00, 0 Ratings

Max Meow—the superhero with cat-itude and his best friend, Mindy (aka Science Kitty!) are back in the sixth volume of this action packed, laugh-out-loud funny graphic novel series that Kirkus...

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.