The Lost Oasis
The Lost Oasis, by Kenneth Robeson – [pseudonym of Lester Dent] Doc Savage, #7 – Published: 1933
Doc Savage
The Red Skull
The Red Skull, by Lester Dent – Doc Savage, #6 Published: 1933
Pirate of the Pacific
Pirate of the Pacific, by Lester Dent – Doc Savage, #5 Published: 1933
The Polar Treasure
The Polar Treasure, by Lester Dent – Doc Savage, #4 Published: 1933
Quest of the Spider
Quest of the Spider, by Lester Dent – Doc Savage, #3 Published: 1933
The Man of Bronze
The Man of Bronze, by Lester Dent – [probably by pseudonym Kenneth Robeson] Doc Savage, #1 Published: 1933