Aaron Blecha Books

Law and Odor

By Doug Paleo, Aaron Blecha

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The Rotten Adventures of Zachary Ruthless 3: Sourballs

By Allan Woodrow

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"When Zachary Ruthless wins an essay contest in SUPER VILLAIN WEEKLY, he and his henchman, Newt, get to spend the day on board an evil blimp with SOURBALLS (the Society of Utterly Rotten, Beastly,...

Rotten Adventures of Zachary Ruthless 3

By Aaron Blecha, Allan Woodrow

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Rotten Adventures of Zachary Ruthless

By Aaron Blecha, Allan Woodrow

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Dinomighty graphic Novel

By Aaron Blecha, Greg Trine

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Heist Age

By Doug Paleo, Aaron Blecha

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Dinomighty

By Doug Paleo, Aaron Blecha

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Heist Age

By Doug Paleo, Aaron Blecha

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More Bible Tales

By Bob Hartman, Aaron Blecha

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Our Principal Breaks a Spell

By Aaron Blecha, Stephanie Calmenson

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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.