Bruce R. Cordell Books

Keep on the Shadowfell D D Accessory

By Mike Mearls, Bruce Cordell

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Plague of spells

By Bruce R. Cordell

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"Raidon Kane emerges from the Spellplague with a sapphire tattoo burned into his flesh, strange supernatural powers, and eleven missing years. His daughter is dead. His home has been destroyed. His...

Assault on Nightwyrm Fortress

By Bruce R. Cordell

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Open Grave Secrets of the Undead

By Bruce R. Cordell, Brian R. James, Eytan Bernstein

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Death s reach

By Bruce Cordell

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Kingdom of the Ghouls

By Bruce R. Cordell, Chris Tulach

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Prince of Undeath

By Bruce R. Cordell

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Presents a Dungeons and Dragons adventure for the 27th to the 30th level, providing adventure hooks, set up information, tactics, and features of areas.

Key of Stars

By Bruce R. Cordell

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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.