John C. Hocking Books

Conan And The Emerald Lotus

By John C. Hocking

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Conan And The Emerald Lotus

By John C. Hocking, John Hocking, Hocking, John C

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Product Description One wizard is bad. Two are a disaster...And a deadly disaster, too. For Conan, after refusing to help the evil wizard Ethram-Fal, has been cursed with a spell that is slowly, i...

Detroit Noir

By John C. Hocking, E. J Olsen, E. J. Olsen & Jon C. Hocking & E. J. (Ed. By) Olsen & John C. Hocking (Ed. By)

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From crime stories in the classic hard-boiled style to the vividly experimental, from the determination of those risking everything to the desperation of those with nothing left to lose, Detroit No...

Conan: City Of The Dead

By John C. Hocking

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Two epics in one book as Conan the mercenary faces hideously transformed wizards and undead creatures in action-packed fantasy combining Robert E. Howard’s trademark sword and sorcery with concepts...

Conan: City Of The Dead

By John C. Hocking

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Two epics in one hardcover as Conan the mercenary faces hideously transformed wizards and undead creatures in action-packed fantasy combining Robert E. Howards trademark sword and sorcery with conc...

Tales From The Magician'S Skull #12

By John C. Hocking, Cintain, Gregory D. Mele, Dan Thurot, David Gullen

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Weird Menace Volume 1

By Scott Dennis Parker, John C. Hocking, Keith West, Bill Crider, Robert E. Vardeman, John Hocking, James Reasoner, Scott Parker, Robert Vardeman

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Conan: City Of The Dead

By John C. Hocking

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Conan: Black Starlight

By John C. Hocking

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Capturing the electric short fiction energy that led Robert E. Howard to be one of the top fantasy writers of the century, with exclusive serialized eBook stories starring Conan, Solomon Kane, and...

Conan A Smaragdový Lotos

By John C. Hocking

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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.