| 0 | Big John Fales | cover | 1 | pencils: Alex Kotzky; inks: Alex Kotzky | Uncle Sam; Buddy Smith |
| 1 | Big John Fales | comic story | 11 | pencils: Art Seymour; inks: Art Seymour | Uncle Sam; Buddy [Buddy Smith]; Big John Fales (villain, introduction, death, but comes back as a ghost) |
| 2 | Watson | comic story | 8 | pencils: Al Bryant; inks: Al Bryant | Sally O'Neil; Tonelli [Watson] (first appearance; villain; death) |
| 3 | - | comic story | 1 | script: Bernard Dibble; pencils: Bernard Dibble; inks: Bernard Dibble | |
| 4 | The Case of the Timid Librarian | comic story | 5 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Chic Carter; Homer Weeks (first appearance); Lefty (first appearance; villain) |
| 5 | A Dream of Mars | comic story | 6 | pencils: Rudy Palais; inks: Rudy Palais | The Unknown; Victory (introduction, a goddess); Victory's talking pigeon (introduction); Mars (villain); Adolf Hitler (villain); the Nazis (villains) |
| 6 | The Protest | comic story | 1 | script: Jack Cole; pencils: Jack Cole; inks: Jack Cole | Windy Breeze |
| 7 | Captain Eddie Hickens Down at Sea | comic story | 7 | pencils: André LeBlanc; inks: André LeBlanc | Lt. Commander Harvey Blake; Capt. Eddie Hickens (first appearance); The Japanese (villains) |
| 8 | The Living Dummy | comic story | 6 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | Kid Patrol; A living dummy (first appearance); Dr. Revalis (first appearance; villain; death) |
| 9 | Skull Island | text story | 2 | letters: typeset | |
| 10 | Sweating Out the Japanese | comic story | 7 | script: Fred Guardineer; pencils: Fred Guardineer; inks: Fred Guardineer | Quicksilver [Max]; the apanese (villains) |
| 11 | #8: The Case of Death in a Crowded Room | comic story | 10 | pencils: Al Gabriele; inks: Al Gabriele | G-2 [Captain Don Leash]; Governor Tweed (introduction); Spana (introduction); Senator Hutton (introduction); King Spy (villain, introduction); other Nazi spies (villains, introduction for all) |