Kate Messner Books

Twelve-year-old Ava finds an old pencil in her family's junk drawer and discovers, during a math test, that it will answer factual questions, so she and her best friend Sophie have a great time--an...

Danger in Ancient Rome

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Journey through Ash and Smoke Ranger in Time 5

By Kate Messner

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Escape from the Great Earthquake

By Kate Messner, Kelley McMorris

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Escape from the Great Earthquake Ranger in Time 6

By Kate Messner

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History Smashers: Plagues and Pandemics

By Falynn Koch, Kate Messner

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Myths! Lies! Secrets! Uncover the hidden truth about history's pandemics, from the Black Death to COVID-19. Perfect for fans of I Survived! and Nathan Hale's Hazardous Tales.During the Black Death...

History Smashers: Plagues and Pandemics

By Falynn Koch, Kate Messner

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Myths! Lies! Secrets! Uncover the hidden truth about history's pandemics, from the Black Death to COVID-19. Perfect for fans of I Survived! and Nathan Hale's Hazardous Tales.During the Black Death...

History Smashers: The American Revolution

By Justin Greenwood, Kate Messner

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Myths! Lies! Secrets! Uncover the hidden truth behind the Revolutionary War with beloved educator/author Kate Messner. The fun mix of sidebars, illustrations, photos, and graphic panels make this p...

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.