Flying duo battles Koopa Clan. Mario and his new dinosaur friend, Yoshi, fly across Dinosaur Land to save Yoshi's homeland from the dreaded Koopa Clan. Browser's armies have invaded the peaceful kingdom of dinosaurs, threatening Yoshi's friends and family with total extinction! As in all Nintendo Adventure Book, you control the action. Only you can make the choices that allow Mario and Yoshi to overcome the perils they face on the rocky shores of Dinosaur Land. Help them crack codes, solve puzzles, conquer mazes, and subdue enemies. Together, you must outwit ta whole new collection of Koopa creeps- or go down in final defeat!