Simon Oliver Books

"Vertigo's cult-favorite creepfest concludes in cataclysmic style as The Exterminators clash with Henry's former partner, the lowlife A.J., now reincarnated as a redneck version of an Egyptian deit...

Gen13

By Simon Oliver

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Hellblazer Chas

By Simon Oliver

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FBP Federal Bureau of Physics

By Simon Oliver

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"The mind-bending science fiction series FBP returns to the strange phenomena all over the world-and beyond. Federal Bureau of Physics agents Rosa and Adam are invited to take part in an experiment...

FBP Federal Bureau of Physics

By Simon Oliver

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"After the world-ending cataclysms (plural intended) of Vol. 3, the Federbal Bureau of Physics is scrambling to pick up the pieces and working with allegedly nemesis and counter-agent Blackwood to...

The Hellblazer

By Simon Oliver

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"John Constantine is back in London, reuniting with old friends--and older enemies: There's Chas Chandler, his best mate; Mercury, the young psychic, the Earth elemental known as the Swamp Thing; a...

The Hellblazer Vol. 2

By Simon Oliver

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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.