From publisher blurb: A compendium of advice, ideas, and sparks to ignite your campaigns with Professor Humbert Drumsley! You love Professor Humbert Drumsley and you want to make him a larger part of your campaign. But where to start? Right here, dear friends! Humbert’s Extra Appendix is the perfect resource to expand your use of Humbert and the humor he brings with him. Inside this book are even more tools to bring Humbert to life at your table. If you are starting a new campaign, or adding to your regular weekly game, this will give you more of what you need to run great games: inspiration! Inside this book you will find: Campaign advice: Learn how to insert Humbert in your campaign, set player expectations, and bring humor to the table. Draw focus on Humbert’s defining characteristics and use him to help bring your world to life. Bonus adventure: Rescue the entire city of Weebridge from Humbert’s latest mishap in Marvelous Mind Machine! When a telepathy machine unexpectedly gains sentience and swaps everyone’s minds, only a group of true (albeit reluctant) heroes can return everything back to normal. Quest hooks: Need a way to get your players back out into the world? Choose from a collection of adventure seeds sure to spark curiosity! These are perfect for crafting an extended quest or side trek. Locations and NPCs: Learn even more about the city of Weebridge through the eyes of Humbert’s former apprentice, Alann Crock! But don’t take everything he says at face value, Humbert left more than a mark on his mind! Fearsome creatures: There’s little better than an adventure with a new and exciting creature. Spice up your sessions with these story-driving creatures and let your imagination run wild! And much, much more!