Timothy Roland Books

Monkey Me and the School Ghost A Branches Book Monkey Me 4

By Timothy Roland

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Monkey Me and the Golden Monkey

By Timothy Roland

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10 hungry mice

By Timothy Roland

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Come Down Now, Flying Cow

By Timothy Roland

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Curious to see outside her field, Beth the cow sneaks onto a hot air balloon and goes for a wild ride, upsetting a number of people and collecting many objects and additional riders along the way.

Come down now, flying cow!

By Timothy Roland

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Curious to see outside her field, Beth the cow sneaks onto a hot air balloon and goes for a wild ride, upsetting a number of people and collecting many objects and additional riders along the way.

Monkey me and the new neighbor

By Timothy Roland

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When Clyde gets excited and hyper, he brings a whole new meaning to "monkeying around!." Frustrating his sister with his tendency to transform into a monkey whenever he gets hyper, Clyde is given...

Comic Guy Series Kooks in the Cafeteria

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Monkey Me and the Golden Monkey

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Golden Monkey

By Timothy Roland, Tim Roland

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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.