John C. Horst Books

Allingham

By John C. Horst

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Allingham

By John C. Horst

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""Hell has three gates: lust, anger, and greed." -- Bhagavad Gita US Marshal and veteran copper of New York's Five Points, Allingham has established himself as a stellar lawman in the Arizona t...

The Mule Tamer III Marta s Quest

By John Horst

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Allingham

By John C. Horst

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Redheaded women are dying. Will Rebecca Allingham, née Halsted, be next? The great sleuth-hound Allingham will have to summon all his skill and guts to overcome a horrific monster that has come to...

The Muler Tamer

By John C. Horst

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Mule Tamer

By John C. Horst

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Mule Tamer Marta s Quest

By John C. Horst

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373 pages (large print) ; 22 cm

Allingham

By John C. Horst

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Allingham Desperate Ride

By John C. Horst

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Roosevelt s Boys

By John C. Horst

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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.