Geoffrey Notkin Books

Meteorite Hunting

By John Kashuba, Steve Arnold, Geoffrey Notkin, Timothy Arbon, Sonja Gay Bourn, Qynne Arnold, Author Of The Fallen Sky Christopher Cokinos, Lisa Marie Morrison, Caroline Palmer, Suzanne Morrison, Stu Jenks, Nancy And Dr. Larry Lebofsky, Leigh Anne DelRay Crowell, Pablo Del Rio Larrain

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How to Find Treasure from Space

By Geoffrey Notkin

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The definitive guide to finding meteorites, written by one of the best-known personalities in the field, and Emmy-winning host of the popular adventure television series "Meteorite Men." The book i...

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.