Percival Constantine Books

Devil s Due Luther Cross Volume 1

By Percival Constantine

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Devil s Descent

By Percival Constantine

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Myth Hunter

By Percival Constantine

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Vanguard The Complete First Season

By Percival Constantine

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Asian pulp

By Tommy Hancock

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A collection of stories by various authors featuring characters of Asian origin or descent. Runs the gamut of fictional genres: mystery, western, crime, noir, and more.--Adapted from publisher's de...

Spear of Destiny

By Percival Constantine

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Vanguard Season Five

By Percival Constantine

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Murder Walk

By Percival Constantine

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Lost Continent

By Percival Constantine

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Devil s Finale

By Percival Constantine

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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.