The Books' stories are Interesting But the puzzles and controls are too difficult even for the Tutorial Book. I found all the masks expect the black one  I've tried everything but there is no way I can retrieve it from the edge of the mountain. The controls are confusing but still I tried Everything  but I am STILL stuck in all the stories I've read: Tutorial book  Medium tutorial book  and the Detective book. I dunno what's wrong but I can't solve them  So I'm Uninstalling this app.
January 09 2017