| 0 | - | cover | 1 | pencils: Ross Andru; inks: Dick Giordano; colors: Anthony Tollin; letters: Gaspar Saladino | Challengers of the Unknown [Red Ryan]; Legion of Super-Heroes [Superboy; Saturn Girl; Lightning Lad; Cosmic Boy] |
| 1 | For Nearly 50 Years, the Leader in Innovation Has Been... Adventure Comics | table of contents | 1 | script: Carl Gafford | |
| 2 | Yesterday's Clues! | comic story | 9 | script: Bob Rozakis; pencils: Alex Toth; inks: Frank Giacoia; colors: Carl Gafford; letters: Milt Snapinn; editing: Carl Gafford | Challengers of the Unknown [Ace Morgan; Rocky Davis; Professor Haley; Red Ryan] |
| 3 | The Secret of the Seventh Super-Hero! | comic story | 14 | script: Robert Bernstein; pencils: George Papp; inks: George Papp; colors: Carl Gafford; letters: Joe Letterese; editing: Mort Weisinger | Superboy [also appears as Clark Kent]; Sun Boy (impostor); Tom Tanner; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl; Phantom Girl; Brainiac 5; Chameleon Boy; Sun Boy]; Lana Lang; Martha Kent; Chief Parker |
| 4 | Underworld Reward! | comic story | 22 | script: Steve Skeates; pencils: Jim Aparo; inks: Jim Aparo; colors: Bob LeRose; letters: Jim Aparo; editing: Dick Giordano | Aquaman; Aqualad; Mera (cameo flashback); Aquababy (cameo flashback) |
| 5 | The Man Without a World! | comic story | 5 | script: Otto Binder; pencils: C. C. Beck; inks: C. C. Beck; colors: Owen Blessitt | Captain Marvel; Dr. Sivana |
| 6 | The Legion of Super-Traitors! | comic story | 14 | script: Jerry Siegel; pencils: Curt Swan; inks: George Klein; colors: Carl Gafford; letters: Milt Snapinn; editing: Mort Weisinger | Superboy [also appears as Clark Kent]; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]; Legion of Super-Pets [Krypto; Streaky; Super-Monkey; Super-Horse]; Brain Globes of Rambat; Lana Lang; Martha Kent; Jonathan Kent; Jax-Ur; General Zod; Mon-El |
| 7 | Crime Carnival! | comic story | 10 | script: Jack Kirby; pencils: Jack Kirby; inks: Joe Simon; colors: Nansi Hoolahan; letters: Howard Ferguson; editing: Whitney Ellsworth | Sandman [Wesley Dodds]; Sandy; Stretcho; Midge; Presto; Samson |
| 8 | Die, Spectre--Again! | comic story | 22 | script: Gardner Fox; pencils: Neal Adams; inks: Neal Adams; colors: Jerry Serpe; letters: Gaspar Saladino; editing: Julius Schwartz | Spectre [Jim Corrigan]; Dirk Rawley; Mona Marcy; Commissioner Hackett |
| 9 | The Story Behind the Stories | text article | 1 | script: Paul Levitz | |
| 10 | 100 Pages of Non-Stop Adventure! | cover | 1 | script: Carl Gafford; pencils: Keith Giffen; inks: Romeo Tanghal; letters: Gaspar Saladino | Sandman [Wesley Dodds]; Sandy; Superboy; Sun Boy (impostor); Captain Marvel; Spectre; Aquaman |