Dan Koboldt Books

The Island Deception Gateways to Alissia Book 2

By Dan Koboldt

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The World Awakening Gateways to Alissia

By Dan Koboldt

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The Time It Happened Third Flatiron Anthologies Volume 11

By Neil James Hudson, Evan Henry, Mark Hill, Dan Koboldt, Larry C. Kay, Richard Mark Anders, Atar Hadari, Jason Lairamore, Ellen Denton, Elliotte Rusty Harold, Dana Schellings, Martin Clark, Amanda C. Davis, Wendy Nikel, Juliana Rew, Thomas Canfield

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Equus

By Tamsin Showbrook, Laura VanArendonk Baugh, J.G. Formato, Dan Koboldt, K.T. Ivanrest, Stephanie A. Cain, Jane Yolen, Michael Leonberger, Rhonda Parrish, Diana Hurlburt

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The World Awakening

By James Patrick Cronin, Dan Koboldt

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Putting the Science in Fiction

By Dan Koboldt

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Science and technology have starring roles in a wide range of genres--science fiction, fantasy, thriller, mystery, and more. Unfortunately, many depictions of technical subjects in literature, film...

Domesticating Dragons

By Dan Koboldt

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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.