| 0 | - | cover | 1 | | Doll Man [Darrel Dane]; Lalapalooza (inset); Spin Shaw (inset); Rance Keane (inset); Samar (inset); Mickey Finn (inset); Big Top (inset); Poison Ivy (inset); Zero (inset); Dusty Dane (inset); Reynolds of the Mounted (inset); Rusty Ryan (inset) |
| 1 | Python the Brain Thief | comic story | 9 | script: Will Eisner; pencils: Will Eisner, Lou Fine; inks: Lou Fine | The Doll Man [Darrel Dane]; Professor Roberts; Python (villain, introduction, death); Professor Kreeper (villain, introduction, death) |
| 2 | The Anti-Cancer Serum | comic story | 4 | script: Bill Smith; pencils: Bill Smith; inks: Bill Smith | Rance Keane; Lola Pritchard; Prof. English (first appearance; villain) |
| 3 | - | comic story | 2 | pencils: John Devlin; inks: John Devlin | |
| 4 | Captured by the Amazons | comic story | 5 | pencils: Chuck Mazoujian; inks: Chuck Mazoujian | Samar; Lazana (first appearance; villain); Lazana's Amazons (first appearance; villains) |
| 5 | The Narcotics Ring | comic story | 5 | script: Art Pinajian; pencils: Art Pinajian; inks: Art Pinajian | Red Baylor (first appearance; villain); Spike (first appearance; villain); Madge Carr (first appearance; villain); other members of a narcotics ring (first appearance; villain) |
| 6 | The Mail Plane Spies | comic story | 6 | script: Bob Powell; pencils: Bob Powell; inks: Bob Powell | Spin Shaw [Capt. S. R. "Spin" Shaw]; Anne Antos (first appearance); V: Heinrich Muller (first appearance; villain; death); Greg Rucker (first appearance; villain; death); Joe (first appearance; villain; death); another pilot (first appearance; villain; death); Pedro (first appearance; villain); Pink |
| 7 | - | comic story | 2 | pencils: John Devlin; inks: John Devlin | Lala Palooza |
| 8 | The Twin Kidnappers | comic story | 4 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | Rusty Ryan; Roger (introduction); Smiley (Roger's father, introduction); two identical twins (villains, introduction for both) |
| 9 | Captives of Captain Frosk | comic story | 4 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Dusty Dane (first appearance); Mike Cardigan (first appearance); Captain Frosk (first appearance; villain; death) |
| 10 | Ban on Chewing Gum | comic story | 2 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | Poison Ivy; McNasty and his gang (first appearanc;e villains) |
| 11 | Murder Tunes In | comic story | 4 | pencils: Stan Asch; inks: Stan Asch | The Voice [Mr. Elixir]; Tommy (bellhop); John Burke (villain, introduction) |
| 12 | Spook Ship | text story | 2 | script: Robert M. Hyatt; letters: typeset | Perry Scott |
| 13 | The Mystery Motor | comic story | 5 | script: Harry Campbell; pencils: Harry Campbell; inks: Harry Campbell | Captain Bruce Blackburn; Weatherbee (first appearance) |
| 14 | - | cartoon | 1 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed; letters: Ed Reed | |
| 15 | - | comic story | 4 | script: Lank Leonard; pencils: Lank Leonard; inks: Lank Leonard | |
| 16 | The Ghost's Vengeance | comic story | 5 | script: Toni Blum; pencils: Dan Zolnerowich; inks: Dan Zolnerowich | Zero; Jim Darwell (introduction, flashback); Nell Farrel Darwell (introduction, flashback, death); Jane Darwell (introduction); Stephen Fiske (villain, a ghost, introduction, death) |