French, John Books

John French, fashion photographer

By French John

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Ahriman

By John French

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Ahriman, greatest sorcerer of the Thousand Sons and architect of the Rubric that laid his Legion low, continues to walk the path towards salvation, or damnation. Searching for a cure for his Legion...

Ahriman: Sorcerer

By John French Sir, French, John, John French

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Book Two In The Ahriman Series Ahriman, Greatest Sorcerer Of The Thousand Sons And Architect Of The Rubric That Laid His Legion Low, Continues To Walk The Path Towards Salvation, Or Damnation. Sear...

Catalina over Arctic Oceans

By John French

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Catalina over Arctic Oceans

By John French

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The Lies of Solace Arkham Horror Novels

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Catalina Over Arctic Oceans

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Catalina over Arctic Oceans

By John French

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Praetorian Of Dorn (39) (The Horus Heresy)

By French, John, John French

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As the first assault on the Solar System begins, the strength of the Imperial Fists and the seemingly impregnable fastness they have built is tested at last Recalled from the Great Crusade after Ul...

Divination : The Horusian Wars

By JOHN FRENCH, French, John

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A Warhammer 40,000 anthologyInquisitor Covenant stands against the plans of the sinister ‘Triumvirate’... but he does not stand alone. In the anthology are tales of the allies – rogues, agents, psy...

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.