▁his ▁pul p ▁characters ▁ ▁The ▁Aven ging ▁Tw ins ▁ ▁" The ▁Aven ging ▁Tw ins ", ▁Det ect ive ▁Story ▁Magazine , ▁May ▁ 1 2 ▁ 1 9 2 3 , ▁short ▁story ▁ ▁" The ▁Aven ging ▁Tw ins ▁Try ▁Again ", ▁Det ect ive ▁Story ▁Magazine , ▁June ▁ 1 6 – 3 0 , ▁ 1 9 2 3 , ▁serial ▁ ▁" The ▁Aven ging ▁Tw ins ' ▁Third ▁Tr ick ", ▁Det ect ive ▁Story ▁Magazine , ▁August ▁ 2 5 ▁– ▁September ▁ 8 , ▁ 1 9 2 3 , ▁serial ▁ ▁" P ear ls ▁of ▁Great ▁Price ", ▁Det ect ive ▁Story ▁Magazine , ▁November ▁ 1 0 , ▁ 1 9 2 3 , ▁short ▁story ▁ ▁" The ▁Aven ging ▁Tw ins ' ▁Fif th ▁Vict im ", ▁Det ect ive ▁Story ▁Magazine , ▁February ▁ 2 3 , ▁ 1 9 2 4 , ▁short ▁story ▁ ▁" The ▁Aven ging ▁Tw ins ' ▁Last ▁Bow ", ▁Det ect ive ▁Story ▁Magazine , ▁April ▁ 5 – 1 2 , ▁ 1 9 2 4 , ▁serial ▁ ▁" The ▁Aven ging ▁Tw ins ▁Return ", ▁Det ect ive ▁Story ▁Magazine , ▁October ▁ 1 7 , ▁ 1 9 2 5 , ▁short ▁story ▁ ▁" The ▁Aven ging ▁Tw ins ▁Collect ", ▁Det ect ive ▁Story ▁Magazine , ▁May ▁ 2 , ▁ 1 9 2 6 , ▁short ▁story ▁ ▁The ▁Bat ▁▁ ▁" The