Jesse Decker Books

Fiend Folio Dungeons Dragons d20 3.0 Fantasy Roleplaying

By James Jacobs, Matthew Sernett, James Wyatt, Chris Thomassen, Eric Cagle, Erik Mona, Jesse Decker

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Unearthed Arcana Dungeons Dragons d20 3.5 Fantasy Roleplaying

By Andy Collins, Rich Redman, David Noonan, Jesse Decker

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Races Of Stone

By Michelle Lyons, David Noonan, Jesse Decker

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A new D&D sourcebook detailing various mountain-dwelling races. Races of Stone provides Dungeons & Dragons® players with an in-depth look at races that live on, under, or around mountains in the D...

Races Of Eberron

By Gwendolyn F.M. Kestrel, Keith Baker, Jesse Decker, Matthew Sernett

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A new D&D sourcebook detailing the major races of the Eberron™ world. Races of Eberron™ provides Dungeons & Dragons® players and Dungeon Masters with an in-depth look at the new races of the Eberro...

Dungeon Master`S Guide II

By Chris Thomasson, Robin D. Laws, David Noonan, Jesse Decker, James Jacobs

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A follow-up to the Dungeon Master’s Guide, designed to aid Dungeon Masters and reduce game preparation time. The Dungeon Master’s Guide II builds upon existing materials in the Dungeon Master’s Gu...

Monster Manual 2

By Greg Bilsland, Peter Lee, Chris Sims, Owen K. C. Stephens, Jesse Decker, Eytan Bernstein, Rob Heinsoo, Wizards Of The Coast, Inc, N. Eric Heath

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Hundreds of old and new monsters for your 4th edition D&D(R) game!This core rulebook presents hundreds of monsters for your D&D campaign. Classic monsters such as centaurs and frost giants make the...

Hammer Helm d20 System Races of Renown

By Jim Pavelec, Jesse Decker

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The Avatar s Handbook Master Classes

By James Ryman, Jesse Decker

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Bow Blade

By Liz Danforth, Chris Thomassen

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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.