Ryan Jacobson Books

Introduces the study of light and vision and the steps in the scientific method and outlines simple experiments that demonstrate the basic principles of refraction, binary vision, and color, and ho...

Shoes before the store

By Ryan Jacobson

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Explains the different materials used in shoes; discusses how shoes are put together and shaped in a factory; and how shoes become available to consumers.

Step By Step Experiments with Light and Vision

By Ryan Jacobson, Bob Ostrom

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Orange Juice Before the Store

By Ryan Jacobson, Dan McGeehan

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Shoes Before the Store

By Ryan Jacobson, Dan McGeehan

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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.