Amazon.com: Black Series RC Sumo King Wrestlers includes:Dual Remote Controls for Wireless Wrestling Matches and 2 Sumo Kings: Toys & Games SteamboatHowie November 18, 2017 0 upvotes /r/GEOTRP https://www.amazon.com/Black-Sumo-King-Wrestlers-Wrestling/dp/B017AIE8A2/ref=sr_1_fkmr1_2?s=toys-and-games&ie=UTF8&qid=1510973563&sr=1-2-fkmr1&keywords=sumo+wrestling+book
there doesn't seem to be anything here