John Conway Books

Sphere Packings, Lattices and Groups

By Neil J. A. Sloane, John Conway, John Horton Conway

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Advanced Wind Surfing

By Farrel O Shea

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By John Conway

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"This is a book about the way we see dinosaurs and other prehistoric animals. Lavishly illustrated with over sixty original artworks, All Yesterdays aims to challenge our notions of how prehistoric...

Adventure Sport

By Conway.

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Ferrari Testarossa Supercars

By Mark Hughes

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Saskatchewan

By Helen Marzolf, Sharon Butala, David Carpenter

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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.