John Quenby Books

Particle Acceleration in Astrophysical Plasmas

By Joseph Perez, James Horwitz, John Quenby

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Intelligent faith

By John Quenby, John MacDonald Smith

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"The year 2009 is the Anniversary of the birth of Charles Darwin and the 150th publication of his book on The Origin of Species. The ideas which Darwin stimulated lie at the heart of our understand...

Particle Acceleration in Astrophysical Plasmas

By Joseph Perez, James Horwitz, Dennis Gallagher, John Quenby, Robert Preece

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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.