Mighty No. 9 Official Design Works & Strategy Guide. Comcept - Udon - 8-4 - Inti Creates (2016). This art book and strategy guide was an exclusive for KickStarter backers. Never sold in stores. It clearly says 'NOT FOR SALE' on the back... so purchase (or make on offer) with caution. ;) Near mint condition. Small fold at edge of bottom right corner of cover. (pictured) Approximately 10.2" x 7.5" 95 pages