▁In ▁ 1 9 3 0 , ▁Le ff ing well ▁wrote ▁a ▁short ▁mon ograph ▁in ▁memory ▁of ▁his ▁younger ▁brother , ▁D ana , ▁that ▁was ▁also ▁illustrated ▁by ▁H oll ings worth . ▁ ▁Between ▁ 1 9 3 9 ▁and ▁ 1 9 4 6 , ▁Le ff ing well ▁wrote ▁ 1 3 ▁crime ▁and ▁mystery ▁thr ill ers ▁under ▁his ▁own ▁name , ▁as ▁well ▁as ▁under ▁his ▁ ▁pseud onym s . ▁His ▁first ▁novel , ▁Some ▁Day ▁I ' ll ▁Kill ▁You , ▁introduced ▁the ▁radio ▁ad ▁man ▁turned ▁hard - bo iled ▁detect ive , ▁Jim ▁Ste ele , ▁who ▁would ▁re - app ear ▁in ▁a ▁number ▁of ▁subsequent ▁nov els . ▁ ▁Ste ele ▁was ▁referenced ▁several ▁times ▁by ▁the ▁Hold en ▁Ca ul field ▁character ▁in ▁the ▁novel ▁C atch er ▁in ▁the ▁R ye ▁( Ch . ▁ 1 0 , ▁" I ▁told ▁them ▁my ▁name ▁was ▁Jim ▁Ste ele , ▁just ▁for ▁the ▁hell ▁of ▁it ." ). ▁ ▁Le ff ing well ▁died ▁in ▁ 1 9 4 6 ▁in ▁New ▁H aven , ▁Connecticut . ▁ ▁Bibli ography ▁Cast les ▁in ▁Spain ▁( P riv ately ▁printed , ▁ 1 9 1 6 ) ▁D ana ▁Jackson ▁Le ff ing well ▁( P riv ately ▁printed , ▁ 1 9 2 5 ) ▁T ou jours ▁de ▁l ' avant ▁( Par is ▁; ▁New ▁York ▁: ▁P ina ud , ▁c 1 9 2 8