Kate Messner Books

Fergus and Zeke at the Science Fair

By Kate Messner

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Fergus and Zeke

By Kate Messner Illustrated By Heather Ross

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“The four chapters of this easy reader zip right along with a straightforward, breezy plot and two charming, mischievous mice leading the way.” — Bulletin of the Center for C...

Wake up missing

By Kate Messner

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After a concussion that effects her balance, memory, and other abilities, twelve-year-old Kat goes to I-Can, the "Miracle Clinic in the Swamp," where she joins forces with other patients to expose...

The brilliant fall of Gianna Z

By Kate Messner

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Gianna has less than one week to complete her leaf project if she wants to compete in the upcoming cross-country sectionals, but issues like procrastination, disorganization--and her grandmother's...

Over and Under the Pond

By Kate Messner, Christopher Silas Neal

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Up in the Garden and Down in the Dirt

By Kate Messner

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Hurricane Katrina Rescue Ranger in Time 8

By Kate Messner

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Up in the garden and down in the dirt

By Kate Messner

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In this exuberant and lyrical follow-up to the award-winning Over and Under the Snow, discover the wonders that lie hidden between stalks, under the shade of leaves . . . and down in the dirt. Expl...

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.