| 0 | - | cover | 1 | pencils: Lou Fine; inks: Lou Fine | Uncle Sam; Buddy Smith; Merlin the Magician (inset); Wonder Boy (inset); Sally O'Neil (inset); Pen Miller (inset) |
| 1 | Yiffendi Invades the Philippines | comic story | 9 | script: Will Eisner, Dave Berg; pencils: Dave Berg; inks: Will Eisner | Uncle Sam; Buddy Smith; Mias (villain, introduction death); Yiffendi (villain, introduction, death) |
| 2 | War of the Airlines | comic story | 6 | script: Toni Blum; pencils: Witmer Williams; inks: Witmer Williams | Prop Powers; Mr. Wallace (first appearance, president of an airline) |
| 3 | The Gem of Mrs. Bigstone | comic story | 4 | script: Toni Blum; pencils: Chuck Mazoujian; inks: Chuck Mazoujian | Sally O'Neil; Shifty Sue (first appearance, villain); Shifty Sue's gang (first appearance, villains); Mrs. Bigstone (first appearance); Gil Moore (first appearance) |
| 4 | New York Championship Bout | comic story | 5 | script: Bob Reynolds; pencils: George Tuska; inks: George Tuska | Kid Dixon [Danny "Kid" Dixon]; Jack Dempsey; The heavyweight champion (first appearance) |
| 5 | Dredge's Orphanage | comic story | 7 | script: Lance Blackwood; pencils: Dan Zolnerowich; inks: Dan Zolnerowich | Merlin the Magician [Jock Kellog]; Miss Lovewell (introduction); Mickey (introduction); Dredge (villain, introduction) |
| 6 | The Human Guinea Pig | text story | 2 | script: Anthony Lamb | Yankee Doodle Boy |
| 7 | Rescuing the South American Expedition | comic story | 6 | script: Toni Blum; pencils: John Celardo; inks: John Celardo | Wonder Boy |
| 8 | The Return of Amnozo | comic story | 5 | script: Tony Rawlins; pencils: Henry Kiefer; inks: Henry Kiefer | Cyclone; Amnozo (villain, introduction) |
| 9 | Fifth Racket Witness Murdered | comic story | 5 | script: Klaus Nordling; pencils: Klaus Nordling; inks: Klaus Nordling | Pen Miller; Nuckle (first appearance, villain); Benny Slugesi (first appearance, villain); a lawyer (first appearance, villain, death); various gangsters (first appearance, villains, death); Miss Bystand (first appearance) |
| 10 | Olesen's Revenge | comic story | 6 | script: Herman Bolstein; pencils: John Celardo; inks: John Celardo | Paul Bunyan; Olesen (first appearance, villain, death) |
| 11 | - | comic story | 2 | script: Bill Newcombe; pencils: Bill Newcombe; inks: Bill Newcombe | Windy Breeze |
| 12 | The Prince and the Pauper: 1940 | comic story | 5 | script: Toni Blum; pencils: Charles Nicholas; inks: Charles Nicholas | Kid Patrol; Percy (first appearance, joins the Kid Patrol); Duke and his gang (first appearance, villains) |