Mary Lee Spence Books

EXPEDITIONS FREMONT VOL 1

By Mary Lee Spence, John Charles Fremont, Donald Jackson

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The Expeditions of John Charles Fremont

By Mary Lee Spence, Donald Jackson

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SUPPLEMENT

By Mary Lee Spence, Donald Jackson

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The Letters of Jessie Benton Fremont

By Jessie Benton Fremont

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The Arizona diary of Lily Fremont, 1878-1881

By Lily Fremont

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Well traveled and gently reared, Elizabeth (Lily) Benton Fremont found herself heading for the rough-and-tumble West when her father, John C. Fremont, was named governor of Arizona Territory. In hi...

Arizona Diary of Lily Fremont 1878 1881

By Mary Lee Spence, Elizabeth Benton Emont

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Arizona Diary of Lily Fremont 1878 1881

By Mary Lee Spence, Elizabeth Benton Emont

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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.