Chris Eboch Books

The Well of Sacrifice

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When a Mayan girl in ninth-century Guatemala suspects that the High Priest sacrifices anyone who stands in the way of his power, she proves herself a hero.

Science measurements

By Chris Eboch

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Examines the many tools used for different measurements.

Amazing Science

By Lionel Bender, Chris Eboch, Robin Michal Koontz

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The Way People Live Life Among the Maya The Way People Live

By Chris Eboch

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Modern Nations of the World Yemen Modern Nations of the World

By Chris Eboch

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112 p. : 24 cm

Magnets in the real world

By Chris Eboch

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Discusses how magnets work, shares examples of how they are used around the house, in transportation, and in medicine, and provides a brief history of the study of magnetism --

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.