Michael Komarck Books

Dragons

By Margaret Weis, R. A. Salvatore, Tracy Hickman, Scott McGough, Keith Baker

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Busted Flush A Wild Cards Mosaic Novel

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Rage of the Dragon

By Margaret Weis, Tracy Hickman

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George R. R. Martin Presents Wild Cards: Sins of the Father

By Melinda M. Snodgrass

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A cop on the trail of a bizarre murder uncovers a hidden conspiracy—and shocking secrets about his late father—in this original graphic novel set in George R. R. Martin’s shared-w...

Song of Ice and Fire Campaign Guide a Game of Thrones Edition

By David Chart, Joshua J. Frost, Michael Komarck, Brian E. Kirby, Jon Leitheusser

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The Rise Of Tiamat Dragon Puzzle (Dungeons & Dragons)

By Michael Komarck, Official Dungeons & Dragons Licensed, Official Dungeons & Dragons Licensed Products

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This officially licensed Dungeons and Dragons 1,000-piece puzzle is a monstrous challenge for adventurers across the Realms. • The enormous five-headed dragon Tiamat breaks free from imprisonment i...

Marca de Odin el Despertar

By Xavier Marce, Michael Komarck

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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.