MR G Brian Karas Books

On Earth

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Perfect for Earth Day!Climb aboard a giant spaceship . . . the Earth! In glorious art, G. Brian Karas illuminates our Earth and its cycles and does a brilliant job of making the concepts of rotatio...

Throw Your Tooth on the Roof

By MR G Brian Karas, Selby B Beeler

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On Earth

By MR G Brian Karas

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Case of the Baffled Bear the

By MR G Brian Karas, Cynthia Rylant, William Dufris

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Saving Sweetness

By MR G Brian Karas, Tom Bodett, Diane Stanley

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Case of the Missing Monkey the

By MR G Brian Karas, Cynthia Rylant, William Dufris

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Muncha Muncha Muncha

By MR G Brian Karas, Candace Fleming, William Dufris

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Case of the Desperate Duck the

By MR G Brian Karas, Cynthia Rylant, William Dufris

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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.