Michael J. Wyly Books

King Arthur

By Michael J. Wyly

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Discovering Mythology Death and the Underworld Discovering Mythology

By Michael J. Wyly

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Dragons

By Michael J. Wyly

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Discusses what a dragon is, dragon's breath, guardians, dragon slayers, and the role of dragons in myth, fantasy, art, and literature.

Understanding Great Literature The Great Gatsby Understanding Great Literature

By Michael J. Wyly

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Possessions and exorcisms

By Stuart A. Kallen, Michael J. Wyly

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Describes cases of spirit possession throughout history, the beliefs of various cultures around the world about possession, the characteristics of poltergeist possession and diabolical possession,...

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.