John Everson Books

V-Wars

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Now a Netflix series starring Ian Somerhalder. A sweeping, threaded narrative of the global phenomenon known as the Vampire Wars! Mankind is silently infected by a millennia-old bacteria unknowing...

HORROR & GHOST STORIES. Its roots are old ... and twisted! The blood of the tree is its sap. It has sustained Scott Belvedere's family for generations. It's the secret ingredient behind the family'...

The family tree

By John Everson

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Voodoo Heart

By John Everson

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Voodoo Heart

By John Everson

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Voodoo Heart

By John Everson

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Voodoo Heart

By John Everson

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Five Deaths for Seven Songbirds

By John Everson

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Five Deaths for Seven Songbirds

By John Everson

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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.