Goodman Games Books

Character Codex

By Goodman Games

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Dungeon Crawl Classics Lankhmar Boxed Set

By Michael Curtis

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Enter the thrilling world of Fritz Leiber’s Nehwon, home to the legendary city of Lankhmar and the infamous heroes Fafhrd and the Gray Mouser! Prepare yourself to battle members of the city’s nefar...

Original Adventures Reincarnated 4 the Lost City

By Goodman Games

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Cthulhu Alphabet Leather Hardback

By Goodman Games

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Star Wound of Abaddon

By William McAusland, Marzio Muscedere, Goodman Games

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Tales from the Magician s Skull 4

By Goodman Games

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Points of Light

By Goodman Games

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Mutant Crawl Classics 10 Seeking the Post Humans

By Goodman Games

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Master Dungeons M1

By Goodman Games

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Wicked Fantasy Factory 4

By Goodman Games

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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.