Kate Messner Books

Arriba en el huerto y abajo en la tierra

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Up in the garden, the world is full of green--leaves and sprouts, growing vegetables, ripening fruit. But down in the dirt there is a busy world of earthworms digging, snakes hunting, skunks burrow...

Tracking Pythons

By Kate Messner

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Kids in Mrs Z s Class 1 2 B5G1

By Kate Messner

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Marty McGuire Has Too Many Pets

By Kate Messner

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Night of Soldiers and Spies

By Kate Messner

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Over and under the Waves

By Kate Messner

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Pearl Harbor

By Kate Messner

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Christopher Columbus and the Taino People

By Kate Messner

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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.