Jon Stephen Fink Books

A Storm in the Blood: A Novel

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"On December 16, 1910, three unarmed London policemen were killed by a gang of Latvian revolutionaries. Among the most sensational crimes of the era, the Houndsditch Murders sparked an unprecedente...

Further Adventures: A Novel

By Jon Stephen Fink

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In the depths of the Great Depression, the voice of a radio superhero known as The Green Ray entertained America. Forty years later, the man behind the character, is caught in an all-night blackout...

Woke up laughing

By Jon Stephen Fink

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Long Pig

By Jon Stephen Fink

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If He Lived

By Jon Stephen Fink

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LONG PIG

By Jon Stephen Fink, John Stephen Fink

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If he lived

By Jon Stephen Fink

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If he lived

By Jon Stephen Fink

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Woke up laughing

By Jon Stephen Fink

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Further adventures

By Jon Stephen Fink

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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.