From the campaign:
The Josiender Rulebook provides everything needed to play Josiender, including all Rules of Play, and Character Creation instructions. It has everything Game Masters (GMs) need to host sessions or create their own campaigns, including environment details, world lore, creatures, sentient species and cultures, both friendly and enemy NPCs, event and dungeon locations, and guidelines for various play styles. Special features include multi-layer puzzles, a crash-course in the art of storytelling, and tips for GMs on how to craft an individualized experience for each player. The hard copy version will be an 8.5” by 11” book, approximately 350 pages in length.