Oh didn´t know that. The books i thought about were mostly 3 new types on top of the existing: empty book you can write in, flavor text book which is just random book like albion´s folk tales and lastly one that gives fame to specific node in destiny board. For trap i though of having it in your inventory and then using it to place it.
Really new player(couple of months), but i felt i needed to post this and hear others opinions. Pets: A lot of people would like to have them and you already have suitable models made(white bunny, little frog and others). Could have beneficial effects like picking up silver and notifying when enemy is near. Traps: Bear trap that roots who steps on it. Books: Being able to obtain books and empty books on top of tomes. Some books would give you fame in a specific node example: Notes of lazy larry …