Marc Simmons Books

Santiago

By Donna Pierce, Joan Myers, Marc Simmons

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Treasure trails of the Southwest

By Marc Simmons

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Treasure trails of the Southwest

By Marc Simmons

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Eleven-year-old Teddy is participating in his first cattle drive, but when his father leaves him in the hands of the trail boss, Teddy must prove himself in order to win respect and to earn his spu...

Turquoise and Six Guns

By Marc Simmons

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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.