John Acrudi Books

The Mask Returns

By John Acrudi, Doug Mahnke

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The mask summer vacation

By Rick Geary

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Because he hates the thought of a dull summer vacation at Cousin Louise's cabin, Ned takes along Uncle Stanley's mask which offers explosive possibilities.

Writer/illustrator Rick Geary continues to astound with his never-a-dull-moment stories and incomparable illustrations of The Mask, now in impossible-to-resist hardcover format from the same people...

The Mask Strikes Back

By John Arcudi Doug Mahnke Keith Williams

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Rick, Ben, Hugo, and Archie are four teens with a fixation on that melon-headed menace, The Mask. When they each get a shot at wearing the empowering emerald artifact, they figure it's a dream come...

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.