John Teehan Books

In the Name of God: The Evolutionary Origins of Religious Ethics and Violence

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Fantastic Stories Present The Dragon Super Pack

By Gerri Leen, Naomi Kritzer, Nisi Shawl, Gerald Hausman, Sarina Dorie, Misty Massey, Edith Nesbit, Pauline J. Alama, John Teehan, Kenneth Grahame, Cynthia Ward, Anne E. Johnson, Rebecca Mcfarland Kyle, Nancy Jane Moore, Sylvia Spruck Wrigley, Jamie Wild

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Fantastic Stories Present The Dragon Super Pack

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The Complete Guide To Writing Fantasy, Vol. 1: Alchemy With Words

By Michael McRae, John Teehan, Kim Richards, Milena Benini, Valerie Griswold-Ford, Kim Bundy, Michele Acker, Tom Dullemond, Tina Morgan, Tee Morris, Darin Park, Julie Peavler-McCord, Rob Durney, Lea Docken, Marko Fanovi, Lauren Cleeland

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Written by new and established voices of Science Fiction and Fantasy, Alchemy With Words offers something for writers at all levels. Its sage advice will help you avoid many amateur mistakes and wi...

In the Name of God

By John Teehan

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In the Name of God

By John Teehan

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In the Name of God

By John Teehan

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In the Name of God

By John Teehan

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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.