Peter Vronsky Books

Hell s Angels Biker Wars

By Peter Vronsky, RJ Parker, Aeternum Designs

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Just a Cop

By Peter Vronsky, Aeternum Designs, Hal Cunningham, R. J. Parker

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Shirley Turner

By Kelly Banaski, Peter Vronsky, RJ Parker, Aeternum Designs

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Serial Killers

By Peter Vronsky

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A comprehensive examination into the frightening true crime history of serial homicide—including information on America’s most prolific serial killers such as:Jeffrey Dahmer • Ted...

Peter Woodcock

By Peter Vronsky, Aeternum Designs, Mark Bourrie, R. J. Parker

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Killer Handyman

By R. J. Publishing, Peter Vronsky, Aeternum Designs, C. L. Swinney

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Serial Killers True Crime Anthology 2014

By Michael Newton, Dane Ladwig, Peter Vronsky, Sylvia Perrini, R. J. Parker

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Alcohol Murders

By Harriet Fox, Peter Vronsky, Aeternum Designs, R. J. Parker

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2016 Serial Killers True Crime Anthology

By Michael Newton, J. J. Slate, Peter Vronsky, Sylvia Perrini, R. J. Parker

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Canadian Psycho

By Peter Vronsky, Aeternum Designs, Cara Carter, R. J. Parker

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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.