▁performances ▁of ▁his ▁play ▁The ▁S ph inx ▁Mother , ▁a ▁modern ▁O ed ip us , ▁at ▁the ▁Sal zburg ▁Festival ▁in ▁ 1 9 7 2 , ▁and ▁Lil ith , ▁a ▁comedy ▁of ▁sur real ist ▁images , ▁at ▁the ▁Schaus piel haus , ▁Vienna ▁in ▁ 1 9 7 9 . ▁ ▁Non - f iction ▁ ▁Col in ▁Sp encer ' s ▁first ▁published ▁non - f iction ▁book ▁( written ▁with ▁Chris ▁Bar las ), ▁which ▁appeared ▁in ▁ 1 9 8 4 , ▁was ▁a ▁treat ise ▁on ▁f art ing , ▁Re ports ▁from ▁Be hind , ▁illustrated ▁by ▁Sp encer ▁cart o ons . ▁ ▁His ▁moving ▁account ▁of ▁his ▁affair ▁with ▁the ▁Australian ▁theatre ▁director , ▁John ▁Task er , ▁Which ▁of ▁Us ▁Two ?, ▁was ▁first ▁published ▁by ▁Vik ing ▁in ▁ 1 9 9 0 , ▁and ▁then ▁in ▁a ▁paper back ▁edition ▁by ▁P engu in ▁in ▁ 1 9 9 1 . ▁ ▁The ▁Fab er ▁Book ▁of ▁Food , ▁an ▁anth ology , ▁collected ▁and ▁written ▁with ▁Cla ire ▁Cl if ton , ▁was ▁published ▁by ▁Fab er ▁& ▁Fab er ▁in ▁ 1 9 9 4 . ▁ ▁His ▁interest ▁in ▁sexual ity ▁and ▁social ▁att itudes ▁towards ▁it ▁led ▁to ▁the ▁publication ▁of ▁Hom osex ual ity ▁– ▁a ▁History ▁in ▁ 1 9 9 5 , ▁and ▁The ▁Gay ▁K ama ▁S ut ra ▁in ▁the ▁following ▁year . ▁ ▁His ▁scholar ly ▁interest ▁in