Don Rathjen Books

The Magic Wand and Other Bright Experiments on Light and Color

By Paul Doherty, Don Rathjen, Doherty Paul, The Exploratorium Teacher Institute

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The Cheshire Cat and Other Eye-Popping Experiments on How We See the World

By Paul Doherty, Don Rathjen, Doherty Paul, P. C. Doherty, The Exploratorium Teacher Institute

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Square Wheels and Other Easy to Build Hands On Science Activities An Exploratorium Science Snackbook

By Don Rathjen, Calif. Exploratorium Teacher Institute San Francisco, P. C. Doherty

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Written by teachers for teachers, students, and anyone who wants to learn science by doing science, this book contains 31 simple, inexpensive activities, demonstrations, and exhibits.

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.