Gary Allen Smith Books

How Does Earth Work? Physical Geology And The Process Of Science

By Aurora Pun, Gary Smith, Gary A. Smith, Smith, Gary A., Gary Allen Smith

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With its unconventional yet highly effective approach, How Does Earth Work? demonstrates the process of science as a vehicle for investigating physical geology. Smith and Pun connect readers to the...

The American International Pictures filmography

By Smith Gary A.

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"American International released a tide of low-budget, films aimed at a male audience, finding its success in the horror genre. This is a comprehensive guide to AIP movies that are or have been ava...

Epic Films

By Gary Allen Smith

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Epic Films

By Gary Allen Smith

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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.