John Stanko Books

Game Master s Book of Non Player Characters

By John Stanko, Jasmine Bhullar, Jasmine Kalle, Jeff Ashworth

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Puntos de Poder para Vivir la Vida Abundante

By John Stanko

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Building People Building Dreams

By John Stanko, Tom Deuschle

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Mastering Fantasy Art - Drawing Dynamic Characters

By John Stanko

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Bring the power of realism to your fantasy drawings!Great fantasy art transports viewers to a realm where the impossible becomes less so, and all manner of strange beasts and beings dwell. It takes...

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.