Jonathan Maier Books

Puzzlooies Mystery at Mallard Mansion

By Kristen Terrana Hollis, Jonathan Maier, Russell Ginns, Inc Big Yellow Taxi

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Puzzlooies! Space Cats to the Rescue

By Kristen Terrana Hollis, Jonathan Maier, Russell Ginns, Inc Big Yellow Taxi

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Half chapter book. Half puzzle book. 100% hilarious! Say goodbye to boring downtime and hello to Puzzlooies! These innovative books are packed with fun, each featuring a zany adventures peppered wi...

Puzzlooies! The Last Donut

By Kristen Terrana Hollis, Jonathan Maier, Russell Ginns, Inc Big Yellow Taxi

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Half chapter book. Half puzzle book. 100% hilarious!Say goodbye to boring downtime and hello to Puzzlooies! These innovative books are packed with fun, each featuring a zany adventures peppered wit...

Puzzlooies the Worst Curse

By Andy Norman, Jonathan Maier, Russell Ginns, Inc Big Yellow Taxi

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Puzzlooies the Museum of Supernatural History

By Kristen Terrana Hollis, Jonathan Maier, Russell Ginns, Inc Big Yellow Taxi

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Puzzlooies! Oliver and the Infinite Unknown

By Russell Ginns

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Half chapter book. Half puzzle book. 100% hilarious!Say goodbye to boring downtime and hello to Puzzlooies! These innovative books are packed with fun, each featuring a zany adventures peppered wit...

Puzzlooies! Disaster Master

By Kristen Terrana Hollis, Cara Stevens, Jonathan Maier, Inc Big Yellow Taxi

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Half chapter book. Half puzzle book. 100% hilarious!Say goodbye to boring downtime and hello to Puzzlooies! These innovative books are packed with fun, each featuring a zany adventures peppered wit...

Puzzlooies! Welcome to Escape City

By Jonathan Maier, Russell Ginns

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Half chapter book. Half puzzle book. 100% hilarious!Say goodbye to boring downtime and hello to Puzzlooies! These innovative books are packed with fun, each featuring a zany adventures peppered wit...

Puzzlooies Marooned on the Moon

By Andy Norman, Jonathan Maier, Russell Ginns, Inc Big Yellow Taxi

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Affordance Based Design

By Jonathan Maier

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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.