| 0 | The Mystery That Never Was! | cover | 1 | pencils: Nick Cardy; inks: Nick Cardy; colors: Tatjana Wood; letters: Joe Letterese | Batman; Robin |
| 1 | - | table of contents | 1 | script: E. Nelson Bridwell; pencils: Carmine Infantino; inks: Murphy Anderson; letters: Gaspar Saladino | |
| 2 | The Mystery That Never Was! | comic story | 20 | script: Denny O'Neil; pencils: Irv Novick; inks: Dick Giordano; letters: Ben Oda | Batman; Alfred Pennyworth; Hal Hemingway; Tom Wilson |
| 3 | Crime's Man-Hunt | comic story | 13 | script: Joseph Greene; pencils: Dick Sprang; inks: Dick Sprang; letters: Dick Sprang; editing: Jack Schiff | Batman [Bruce Wayne]; Robin [Dick Grayson]; Carter Van Alt; Wally Henchell (gossip broadcaster); Brainy Bulow (villain); Bobo Nelson (villain); "Twisty" Herman (villain); Sam Azarra (villain); Slug (villain); Heiny Dipp (villain); Nick Rossi (villain); Slim (villain) |
| 4 | Bat-Puzzle | activity | 1 | script: Bob Rozakis; pencils: Curt Swan, Sheldon Moldoff, Neal Adams, Curt Swan; inks: Murphy Anderson, Sheldon Moldoff, Neal Adams | |
| 5 | - | cartoon | 1 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 6 | The 1,001 Inventions of Batman | comic story | 8 | script: Edmond Hamilton; pencils: Dick Sprang; inks: Charles Paris; letters: Pat Gordon; editing: Whitney Ellsworth | Batman; Robin |
| 7 | The Women in the Batman's Life | comic story | 2 | script: E. Nelson Bridwell; pencils: Sheldon Moldoff, Bob Kane, Carmine Infantino, Gil Kane; inks: Sheldon Moldoff, Bob Kane, Jack Abel, Joe Giella; letters: Gaspar Saladino | |
| 8 | A Christmas Peril! | comic story | 12 | script: Don C. Cameron; pencils: Jerry Robinson; inks: Jerry Robinson; letters: Ira Schnapp; editing: Whitney Ellsworth | Batman [Bruce Wayne]; Robin [Dick Grayson]; Scranton Loring (richest boy in the world, introduction); Timothy Scranton [as Santa Claus] (introduction); Joe Meeker (introduction); Eggers (villain, attorney, introduction); Gulliver (villain, Loring's butler, introduction); Happy Hoggsby (villain, intr |
| 9 | The Great Batman Contest | comic story | 8 | script: Bill Finger; pencils: Sheldon Moldoff; inks: Charles Paris; letters: Pat Gordon; editing: Whitney Ellsworth | Batman [Bruce Wayne]; Robin [Dick Grayson]; Jeff Keating (an inventor); Stilts Morgan (villain, harbor pirate); Joe (villain); Mike (villain) |
| 10 | The Bat Kite | activity | 1 | script: E. Nelson Bridwell; letters: Milt Snapinn, Ira Schnapp | |
| 11 | The Blockbuster Invasion of Gotham City! | comic story | 13.34 | script: Gardner Fox; pencils: Carmine Infantino; inks: Joe Giella; letters: Gaspar Saladino | Batman [Bruce Wayne]; Robin [Dick Grayson]; Blockbuster [Mark Desmond] (intro, villain); Roland Desmond (intro, criminal) |
| 12 | - | letters page | 2 | script: Bob Rozakis; pencils: Anthony Kowalik; inks: Neal Adams | |