Jay Johnson Books

Machine Learning Techniques for Space Weather

By Jay Johnson, Enrico Camporeale, Simon Wing

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100 Large Print Crossword Puzzle Book for Seniors

By Jay Johnson

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100 Large Print Crossword Puzzle Book for Seniors

By Jay Johnson

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Helping Out on the Farm

By Jay Johnson, Scholastic Staff, Katie Tait

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Ten little pumpkins

By Jay Johnson

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Children select and carve 10 pumpkins as they get ready for Halloween and trick-or-treating in this illustrated adaptation of the words of a children's song. Includes a simple score on the last page.

Ten Lucky Leprechauns

By Jay Johnson, Kathryn Heling, Deborah Hembrook

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How to Convert Any 6 Volt Vehicle to 12 Volts

By Jay Johnson

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Jed Johnson

By Jay Johnson, Sandra Brant, Paul Goldberger, Bob Colacello, Pierre Berge

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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.