John Nelson Books

A biography of a champion, winner of almost every amateur tennis title in the world, whose present interests include bringing tennis to ghetto children and Women's Lib to the tennis court.

Springboard Mathematics with Meaning Algebra 1 Mathematics with Meaning

By John Nelson Betty Barnett

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SpringBoard geometry

By College Entrance Examination Board

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Christopher Columbus, who sailed on!

By Dorothy Fay Richards

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Relates the attempts of Christopher Columbus to find a short sea route to the Indies.

George Washington, a talk with his grandchildren

By Dorothy Fay Richards

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Brief accounts of several incidents in the military career of George Washington.

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.