| 0 | - | cover | 1 | pencils: Michael Cho; inks: Michael Cho; colors: Michael Cho | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Marvel Girl, Hank McCoy, Scott Summers, Warren Worthington III |
| 1 | Title Page and Credits | credits, title page | 3 | letters: typeset | |
| 2 | Contents | table of contents | 1 | letters: typeset | |
| 3 | - | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Sol Brodsky, Frank Giacoia; colors: Michael Kelleher; letters: Artie Simek | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Hank McCoy, Scott Summers, Warren Worthington III |
| 4 | X-Men | comic story | 23 | script: Stan Lee; pencils: Jack Kirby; inks: Paul Reinman; colors: Laurie Smith; letters: S. Rosen | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Hank McCoy, Scott Summers, Warren Worthington III, Professor X, Charles Xavier |
| 5 | Nothing Can Stop the Vanisher! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Paul Reinman; colors: Michael Kelleher; letters: Sam Rosen | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Marvel Girl, Hank McCoy, Telford Porter, Scott Summers, Vanisher, Warren Worthington III, Professor X, Charles Xavier |
| 6 | No One Can Stop the Vanisher | comic story | 22 | script: Stan Lee; pencils: Jack Kirby; inks: Paul Reinman; colors: Laurie Smith; letters: Sam Rosen | Angel, Beast, Cyclops, Bobby Drake, Fred Duncan, Lieutenant General Fredricks, Jean Grey, Colonel Hendershoot, Iceman, Marvel Girl, Hank McCoy, Telford Porter, Scott Summers, Vanisher |
| 7 | Beware of the Blob! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Sol Brodsky; colors: Michael Kelleher; letters: Sam Rosen | Angel, Beast, Blob, Cyclops, Bobby Drake, Fred Dukes, Jean Grey, Iceman, Marvel Girl, Hank McCoy, Scott Summers, Warren Worthington III |
| 8 | Beware of the Blob! | comic story | 24 | script: Stan Lee; pencils: Jack Kirby; inks: Paul Reinman; colors: Laurie Smith; letters: Art Simek | Angel, Beast, Blob, Cyclops, Bobby Drake, Fred Dukes, Jean Grey, Iceman, Marvel Girl, Hank McCoy, Scott Summers, Warren Worthington III, Professor X, Charles Xavier |
| 9 | The Brotherhood of Evil Mutants | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: George Roussos; colors: Michael Kelleher; letters: Artie Simek | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff, Hank McCoy, Quicksilver |
| 10 | The Brotherhood of Evil Mutants! | comic story | 23 | script: Stan Lee; pencils: Jack Kirby; inks: Paul Reinman; colors: Laurie Smith; letters: Art Simek | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff, Hank McCoy, Quicksilver |
| 11 | The Angel Is Trapped! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Paul Reinman, Marie Severin; colors: Michael Kelleher; letters: Artie Simek | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff, Hank McCoy, Quicksilver |
| 12 | Trapped: One X-Man! | comic story | 24 | script: Stan Lee; pencils: Jack Kirby; inks: Paul Reinman; colors: Laurie Smith; letters: S. Rosen | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Elaine Grey, Jean Grey, John Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff |
| 13 | Sub-Mariner Joins the Evil Mutants! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; colors: Michael Kelleher; letters: Artie Simek | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff, Hank McCoy, Namor |
| 14 | Sub-Mariner! Joins the Evil Mutants | comic story | 22 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: S. Rosen | Angel, Beast, Cyclops, Bobby Drake, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff, Hank McCoy, Namor |
| 15 | Cyclops | illustration | 1 | pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: Artie Simek | Cyclops, Scott Summers |
| 16 | The Return of the Blob! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; colors: Michael Kelleher; letters: Artie Simek | Angel, Beast, Blob, Cyclops, Bobby Drake, Fred Dukes, Erik Lehnsherr, Jean Grey, Iceman, Magneto, Marvel Girl, Mastermind, Pietro Maximoff, Wanda Maximoff |
| 17 | The Return of the Blob | comic story | 22 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: Art Simek | Angel, Beast, Blob, Cyclops, Bobby Drake, Fred Dukes, Erik Lehnsherr, Jean Grey, Iceman, Zelda Kurtzberg, Magneto, Marvel Girl, Mastermind, Pietro Maximoff |
| 18 | The Uncanny Threat of... Unus the Untouchable! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Michael Kelleher; letters: Sam Rosen | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Marvel Girl, Hank McCoy, Scott Summers, Unus the Untouchable, Warren Worthington III |
| 19 | The Uncanny Threat of... Unus the Untouchable! | comic story | 20 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: S. Rosen | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Marvel Girl, Mastermind, Hank McCoy, Scott Summers, Unus the Untouchable, Warren Worthington III, Jason Wyngarde, Professor X |
| 20 | The Beast | illustration | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: Sam Rosen | Beast, Hank McCoy |
| 21 | Guest-Starring: The Mighty Avengers | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; colors: Michael Kelleher; letters: Sam Rosen | Angel, Beast, Captain America, Cyclops, Bobby Drake, Giant-Man, Jean Grey, Iceman, Iron Man, Marvel Girl, Hank McCoy, Hank Pym, Steve Rogers, Tony Stark |
| 22 | Enter, the Avengers! | comic story | 20 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: S. Rosen | Angel, Beast, Captain America, Cyclops, Bobby Drake, Giant-Man, Jean Grey, Iceman, Iron Man, Marvel Girl, Hank McCoy, Hank Pym, Steve Rogers, Tony Stark |
| 23 | Marvel Girl | illustration | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: Artie Simek, Sam Rosen | Jean Grey, Marvel Girl |
| 24 | Introducing: Ka-Zar, Lord of the Jungle! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Michael Kelleher; letters: Sam Rosen, Artie Simek | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Ka-Zar, Marvel Girl, Hank McCoy, Kevin Plunder, Scott Summers, Warren Worthington III, Zabu |
| 25 | The Coming of... Ka-Zar! | comic story | 20 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Laurie Smith; letters: S. Rosen | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Ka-Zar, Maa-Gor, Marvel Girl, Hank McCoy, Kevin Plunder, Scott Summers, Warren Worthington III, Professor X |
| 26 | - | promo (ad from the publisher) | 1 | pencils: Jack Kirby; inks: Chic Stone; colors: Stan Goldberg; letters: Sam Rosen, Artie Simek | |
| 27 | The X-Men #10 Unused Cover Art | illustration | 1 | pencils: Jack Kirby; inks: Chic Stone | Angel, Beast, Cyclops, Bobby Drake, Jean Grey, Iceman, Ka-Zar, Marvel Girl, Hank McCoy, Kevin Plunder, Scott Summers, Warren Worthington III, Zabu |