“AQuicksilverMysteryThatFlickers,Flashes,TwistsAndTurns.“NewYorkTimes,21July2022.FromtheauthorofTheAosawaMurders,oneoftheNYTNotableBooksof2020.SetinTokyooverthecourseofonenight,AkiandHirohavedecidedtobetogetheronelasttimeintheirsharedflatbeforeparting.Theirrelationshiphasbrokendownafteramountaintrekduringwhichtheirguidediedinexplicably.Noweachbelievestheothertobeamurdererandisdeterminedtoextractaconfessionbeforethenightisover.Whoisthemurdererandwhatreallyhappenedonthemountain?Inthebattleofwillsbetweenthem,thechainofeventsleadinguptothisnightisgraduallyrevealedinagrippingpsychologicalthrillerthatkeepsthereaderinsuspensetotheveryend.