| 0 | - | cover | 1 | pencils: Evan "Doc" Shaner; inks: Evan "Doc" Shaner | Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl] |
| 1 | Title Page | credits, title page | 1 | | |
| 2 | Creator Credits | credits, title page | 1 | | |
| 3 | 2nd Title Page | credits, title page | 1 | pencils: Evan "Doc" Shaner; inks: Evan "Doc" Shaner | Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl] |
| 4 | Indicia and Publisher information | credits, title page | 1 | letters: typeset | |
| 5 | Table of Contents | table of contents | 2 | letters: typeset | |
| 6 | Adventure Comics #247 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: Stan Kaye | Superboy [Clark Kent]; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl] |
| 7 | The Legion of Super-Heroes | comic story | 12 | script: Otto Binder; pencils: Al Plastino; inks: Al Plastino | Superboy [Clark Kent]; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl] (intro); Jonathan Kent (cameo) |
| 8 | Adventure Comics #267 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: Stan Kaye | Cosmic Boy; Lightning Lad; Saturn Girl; Superboy |
| 9 | Prisoner of the Super-Heroes | comic story | 11 | script: Jerry Siegel; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl]; Krypto; Martha Kent; Jonathan Kent |
| 10 | The Three Super-Heroes! | comic story | 13 | script: Jerry Siegel; pencils: Jim Mooney; inks: Jim Mooney; letters: Joe Letterese | Supergirl; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl; Chameleon Boy; Colossal Boy; Invisible Kid]; Superman |
| 11 | The Army of Living Kryptonite Men! | comic story | 8 | script: Jerry Siegel; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy; Lex Luthor; Lana Lang; Jonathan Kent; Krypto; Lightning Lad; Cosmic Boy (cameo); Saturn Girl (cameo) |
| 12 | Adventure Comics #282 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: Stan Kaye | Superboy; Star Boy; Lana Lang; Zynthia |
| 13 | Lana Lang and the Legion of Super-Heroes! | comic story | 13 | script: Otto Binder; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy; Lana Lang; Star Boy; Legion of Super-Heroes [Chameleon Boy; Lightning Lad; Saturn Girl; Cosmic Boy] (in flashback) |
| 14 | Supergirl's Three Super Girl-Friends! | comic story | 12 | script: Jerry Siegel; pencils: Jim Mooney; inks: Jim Mooney | Supergirl [Linda Lee]; Legion of Super-Heroes [Saturn Girl; Phantom Girl (intro); Triplicate Girl (intro, later Duo Damsel); Cosmic Boy; Lightning Lad; Shrinking Violet (intro); Bouncing Boy (intro); Sun Boy (intro); Brainiac 5 (intro)]; Brainiac (flashback); Superman (flashback); Lori Lemaris; Jerr |
| 15 | Superboy #89 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: Stan Kaye | Superboy; Mon-El |
| 16 | Superboy's Big Brother! Part I | comic story | 9 | script: Robert Bernstein; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy [Kal-El]; Mon-El [also as Bob Cobb]; Martha Kent; Jonathan Kent; Krypto (cameo); Jor-El (flashback); Lara (flashback) |
| 17 | [Superboy's Big Brother! Part II] The Secret of Mon-El! | comic story | 10 | script: Robert Bernstein; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy; Mon-El [Bob Cobb] (origin); Martha Kent; Jonathan Kent; Lana Lang; Miss Joyce; King Mycerinua; Rhodopis; Jor-El (flashback); Lara (flashback); unnamed Phantom Zone prisoner (flashback) |
| 18 | Superman #147 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: Stan Kaye; letters: Ira Schnapp | Legion of Super-Villains [Cosmic King; Lightning Lord; Saturn Queen]; Superman |
| 19 | The Legion of Super-Villains! | comic story | 11 | script: Jerry Siegel; pencils: Curt Swan; inks: Sheldon Moldoff; letters: Milt Snapinn | Legion of Super-Heroes [Lightning Man; Cosmic Man; Saturn Woman] (first Adult Legion appearance); Legion of Super-Villains [Cosmic King (intro, origin); Lightning Lord [Mekt Ranzz] (intro, origin); Saturn Queen (intro, origin)] (intro, origin, villains); Lex Luthor (villain); Superman; Lois Lane (il |
| 20 | Adventure Comics #290 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: Stan Kaye | Superboy; Legion of Super-Heroes [Sun Boy; Brainiac 5 (image only); Phantom Girl (image only); Chameleon Boy (image only); Saturn Girl (image only); Lightning Lad (image only)] |
| 21 | The Secret of the Seventh Super-Hero! | comic story | 13.67 | script: Robert Bernstein; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy [Clark Kent]; Tom Tanner (Clark Kent look-alike); Lana Lang; Sun Boy (impostor); Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Phantom Girl; Brainiac 5; Chameleon Boy]; Chief Parker; Superboy robots; Ma Kent; Lana Lang |
| 22 | Adventure Comics #293 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein | Superboy; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl] |
| 23 | The Legion of Super-Traitors! | comic story | 14 | script: Jerry Siegel; pencils: Curt Swan; inks: George Klein; letters: Milt Snapinn | Superboy [Clark Kent]; Lana Lang, Jonathan Kent; Martha Kent; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]; Jax-Ur (in the Phantom Zone); General Zod (in the Phantom Zone); Mon-El (in the Phantom Zone); two unnamed Phantom Zone prisoners; Legion of Super-Pets (first appearance) [K |
| 24 | Supergirl's Greatest Challenge! | comic story | 14 | script: Jerry Siegel; pencils: Jim Mooney; inks: Jim Mooney; letters: Milt Snapinn | Supergirl [Linda Danvers]; Lois Lane; Legion of Super-Heroes [Cosmic Boy [Rokk Krinn]; Lightning Lad [Garth Ranzz]; Saturn Girl [Imra Ardeen]; Sun Boy [Dirk Morgna]; Bouncing Boy [Chuck Taine]]; Whizzy (descendant of Streaky); Positive Man; Chameleon Men; Fred Danvers; Edna Danvers; Streaky |
| 25 | Action Comics #289 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | Superman; Supergirl; Luma Lynai of Staryl |
| 26 | Superman's Super-Courtship! | comic story | 12 | script: Jerry Siegel; pencils: Jim Mooney; inks: Jim Mooney; letters: Milt Snapinn | Supergirl [Linda Danvers]; Superman; Luma Lynai; Helen of Troy; Rhondous; adult Legion of Super-Heroes [Cosmic Man; Phantom Woman; Chameleon Man; Triplicate Woman; Sun Man; Saturn Woman; Brainiac 5; Lightning Man]; Fred Danvers; Edna Danvers |
| 27 | Superboy #98 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein | Ultra Boy; Superboy [Clark Kent]; Lana Lang |
| 28 | The Boy with Ultra-Powers! | comic story | 13 | script: Jerry Siegel; pencils: Curt Swan; inks: George Klein; letters: Milt Snapinn | Ultra-Boy [Jo Nah; Gary Crane] (intro; orgin); Superboy [Clark Kent]; Martha Kent; Marla [Ben Crane]; Pete Ross; Jonathan Kent; Superboy robots; Krypto; Lana Lang; E. W. Lemley |
| 29 | Adventure Comics #300 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | Legion of Super-Heroes [Superboy; Sun Boy; Saturn Girl; Cosmic Boy; Lightning Lad, Triplicate Girl; Mon-El] |
| 30 | The Face Behind the Lead Mask! | comic story | 11.66 | script: Jerry Siegel; pencils: John Forte, Al Plastino; inks: John Forte, Al Plastino; letters: Milt Snapinn | Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Sun Boy; Superboy; Chameleon Boy (statue); Bouncing Boy (statue); Shrinking Violet (statue); Invisible Kid [Lyle Norg] (statue)]; Lex Luthor; Urthlo; Mon-El |
| 31 | The Secret Origin of Bouncing Boy! | comic story | 12.67 | script: Jerry Siegel; pencils: John Forte; inks: John Forte; letters: Milt Snapinn | Legion of Super-Heroes [Bouncing Boy; Sun Boy; Cosmic Boy; Shrinking Violet; Lightning Lad; Chameleon Boy; Saturn Girl; Triplicate Girl; Colossal Boy; Phantom Girl; Ultra Boy] |
| 32 | Adventure Comics #302 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | Superboy; Sun Boy; Ultra Boy; Cosmic Boy; Saturn Girl |
| 33 | Sun-Boy's Lost Power! | comic story | 11.67 | script: Jerry Siegel; pencils: John Forte; inks: John Forte; letters: Milt Snapinn | Legion of Super-Heroes [Sun Boy; Cosmic Boy; Saturn Girl; Superboy; Ultra Boy; Bouncing Boy]; Pete Ross |
| 34 | The Fantastic Spy! | comic story | 11.67 | script: Jerry Siegel; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Sun Boy; Lightning Lad; Brainiac 5; Matter-Eater Lad; Bouncing Boy; Chameleon Boy; Shrinking Violet; Superboy]; Dr. Landro |
| 35 | The Stolen Super-Powers! | comic story | 11 | script: Jerry Siegel; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Shrinking Violet; Bouncing Boy; Sun Boy; Cosmic Boy; Chameleon Boy; Colossal Boy; Saturn Girl; Triplicate Girl; Brainiac 5; Invisible Kid; Matter-Eater Lad; Lightning Lad; Ultra Boy; Mon-El; Superboy; Supergirl]; Lori Lemaris; Zaryan the Conqueror |
| 36 | The Secret of the Mystery Legionnaire! | comic story | 11.67 | script: Jerry Siegel; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Sun Boy; Shrinking Violet; Bouncing Boy; Cosmic Boy; Mon-El [as Marvel Lad, the Legionnaire Lemon]; Saturn Girl; Cosmic Boy; Lightning Lad; Colossal Boy; Brainiac 5; Superboy (in flashback)] |
| 37 | The Legion of Substitute Heroes! | comic story | 14 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Sun Boy; Cosmic Boy; Saturn Girl; Chameleon Boy; Bouncing Boy; Colossal Boy; Brainiac 5; Shrinking Violet]; Legion of Substitute Heroes [Polar Boy; Night Girl; Stone Boy; Fire Lad; Chlorophyll Kid] |
| 38 | Adventure Comics #307 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | Element Lad [as Mystery Lad]; Legion of Super-Heroes [Sun Boy; Bouncing Boy; Saturn Girl]; Superboy; Bizarro |
| 39 | The Secret Power of the Mystery Super-Hero! | comic story | 13 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Bouncing Boy; Sun Boy; Brainiac 5; Invisible Kid; Colossal Boy]; Element Lad [as Mystery Lad]; Roxxas |
| 40 | The Return of Lightning Lad! | comic story | 10.67 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lass [as Lightning Lad]; Bouncing Boy; Chameleon Boy; Sun Boy; Mon-El; Lightning Lad (in flashback and lying in state); Shrinking Violet; Supergirl; Brainiac 5]; Proty |
| 41 | The Legion of Super-Monsters! Part I | comic story | 8.66 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Milt Snapinn | Legion of Super-Heroes [Brainiac 5 [Querl Dox]; Bouncing Boy [Chuck Taine]; Saturn Girl [Imra Ardeen]; Sun Boy [Dirk Morgna]; Chameleon Boy [Reep Daggle]; Mon-El [Lar Gand]; Colossal Boy [Gim Allon]; Ultra Boy [Jo Nah]; Matter-Eater Lad [Tenzil Kem] (cameo); Shrinking Violet [Salu Digby] (cameo); Su |
| 42 | Part II The Legion's Super-Showdown! | comic story | 7.67 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Milt Snapinn | Legion of Super-Heroes [Brainiac 5 [Querl Dox]; Bouncing Boy [Chuck Taine]; Saturn Girl [Imra Ardeen]; Sun Boy [Dirk Morgna]; Chameleon Boy [Reep Daggle]]; Jungle King [Monster Master] (death); Legion of Super-Monsters [Earthquake Beast; Eye-Monster; Mirror Monster; Drill Beast; Omnibeast]; gas crea |
| 43 | The Doom of the Super-Heroes! | comic story | 8.67 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Milt Snapinn | Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Bouncing Boy; Chameleon Boy; Triplicate Girl (cameo); Brainiac 5; Star Boy (cameo); Superboy; Ultra Boy; Colossal Boy (cameo); Element Lad (cameo); Invisible Kid; Lightning Lass; Sun Boy; Shrinking Violet]; Mxyzptlk V [as Mask Man] |
| 44 | Part II: Last Stand of the Legion! | comic story | 7.67 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Milt Snapinn | Legion of Super-Heroes [Superboy; Colossal Boy; Invisible Kid; Saturn Girl; Bouncing Boy; Sun Boy; Mon-El; Cosmic Boy; Colossal Boy; Brainiac 5; Lightning Lass]; Mxyzptlk V [as Mask Man] |
| 45 | From the 31st Century! | promo (ad from the publisher) | 1 | pencils: John Forte, Curt Swan; inks: John Forte, George Klein | Legion of Super-Heroes [Superboy; Lightning Lad; Cosmic Boy; Bouncing Boy; Saturn Girl; Chameleon Boy; Matter-Eater Lad; Sun Boy] |