Gerry Bailey Books

The Big Bang Theory Butt Ugly Martians Chapter Books

By Gerry Bailey

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Meet Gorgon

By Gerry Bailey

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"Three Martians--Do-Wah Diddy, 2-T-Fru-T, and B.Bop-A-Luna--have been sent to conquer Earth. But they love everything about the planet--fast food, video games, rock 'n' roll, and humans. So instead...

The Martians have landed

By Gerry Bailey

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"The year is 2053. Three Martians--Do-Wah Diddy, 2-T-Fru-T, and B.Bop-A-Luna--have their orders: conquer Earth or else..."--P. [4] of cover.

That's no puddle-- that's Angela

By Gerry Bailey

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When three Martians are sent to conquer Earth, they fall in love with everything about the planet--fast food, video games, rock 'n' roll, and humans--so instead of conquering Earth, the Martians be...

2-T's spoof video

By Gerry Bailey

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B. Bop s Brainwave Butt Ugly Martians

By Fiona Simpson, Gerry Bailey

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Martians Have Landed Butt Ugly Martians Storybooks

By Gerry Bailey

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Story of Ireland.

By Gerry Bailey

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Story of Ireland.

By Gerry Bailey

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Common cents

By Gerry Bailey

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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.