Curtis Jack Books

Eagles over Big Sur

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Clint Durby was an easy-going cowboy who did n''t mind hard work. However, he had no patience for what the bosses of the Sawtooth Cattle Syndicate had him doing. His brother, a trainee reporter, sm...

Hideout canyon

By Curtis Jack

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Wayne Carrol is wasting away in a Fort Yuma hotbox when his young, meddling wife, Kate, cuts a deal with the corrupt warden: Wayne can go free if she'll snitch when he leaves town. The warden's coh...

Texas rules

By Curtis Jack

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They were Texas ranchers driving a herd of longhorns through a lawless land, risking everything to deliver their cattle to the railhead at Abilene. But for Cotton Dunbar and his men, the worst hard...

Wild river massacre

By Curtis Jack

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A pall of sorrow shadows Wild River, where General Frederick Falls' troops slaughtered hundreds of Kiowa men, women and children while they slept. For General Falls, Wild River is to be a monument...

Cut and branded

By Curtis Jack

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Wild River massacre

By Curtis Jack

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Paradise Valley

By Curtis Jack

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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.