| 0 | - | cover | 1 | pencils: Dick Giordano; inks: Dick Giordano; colors: John Kalisz | Joker; Two-Face; Catwoman; Riddler; Penguin; Batman (on poster) |
| 1 | - | blank page(s) | 2 | | |
| 2 | The Joker: The Clown Prince of Crime | illustration | 1 | pencils: Ernie Chua; inks: José Luis García-López | Joker |
| 3 | - | illustration | 1.33 | pencils: Ernie Chan; inks: José Luis García-López | Joker |
| 4 | The Joker: The Clown Prince of Crime | credits, title page | 0.67 | pencils: Irv Novick; inks: Frank McLaughlin | Joker |
| 5 | - | credits, title page | 1 | letters: typeset | |
| 6 | The Joker #1 | cover reprint (on interior page) | 1 | pencils: Dick Giordano; inks: Dick Giordano | Joker; Two-Face; Catwoman; Riddler; Penguin; Batman (on poster) |
| 7 | The Joker's Double Jeopardy! | comic story | 18 | script: Denny O'Neil; pencils: Irv Novick; inks: Dick Giordano | Joker (villain); Two-Face [Harvey Dent] (villain); Senior Alvarez (villain); Commissioner James Gordon; Mr. Kemp |
| 8 | The Joker #2 | cover reprint (on interior page) | 1 | pencils: Ernie Chan; inks: José Luis García-López | Joker; Willie the Weeper |
| 9 | The Sad Saga of Willy the Weeper! | comic story | 18 | script: Denny O'Neil; pencils: Irv Novick; inks: José Luis García-López | Joker; Willy the Weeper; Commissioner James Gordon |
| 10 | The Joker #3 | cover reprint (on interior page) | 1 | pencils: Dick Giordano; inks: Dick Giordano | Joker (on billboard); Creeper [Jack Ryder] |
| 11 | The Last Ha Ha | comic story | 18 | script: Denny O'Neil; pencils: Ernie Chan; inks: José Luis García-López | Joker (villain); Creeper [Jack Ryder]; Benny Khiss; Marvin Fargo; Sandy Saturn (first appearance) |
| 12 | The Joker #4 | cover reprint (on interior page) | 1 | pencils: Ernie Chan; inks: Ernie Chan | Joker; Green Arrow [Oliver Queen]; Dinah Lance [Black Canary] |
| 13 | A Gold Star for the Joker | comic story | 18 | script: Elliot S! Maggin; pencils: José Luis García-López; inks: Vince Colletta | Joker; Green Arrow [Oliver Queen]; Dinah Lance [Black Canary] |
| 14 | The Joker #5 | cover reprint (on interior page) | 1 | pencils: Ernie Chan; inks: Ernie Chan | Joker; Royal Flush Gang |
| 15 | The Joker Goes "Wilde"! | comic story | 18 | script: Martin Pasko; pencils: Irv Novick; inks: Tex Blaisdell | Joker; Royal Flush Gang |
| 16 | The Joker #6 | cover reprint (on interior page) | 1 | pencils: Ernie Chan; inks: Ernie Chan | Joker; Sherlock Holmes |
| 17 | Sherlock Stalks the Joker! | comic story | 18 | script: Denny O'Neil; pencils: Irv Novick; inks: Tex Blaisdell | Joker; Sherlock Holmes |
| 18 | The Joker #7 | cover reprint (on interior page) | 1 | pencils: Ernie Chua; inks: Ernie Chua | Joker; Lex Luthor |
| 19 | Luthor -- You're Driving Me Sane! | comic story | 18 | script: Elliot S! Maggin; pencils: Irv Novick; inks: Frank McLaughlin | Joker (villain); Lex Luthor (villain); The Mountebank Malefactors (villains); Southpaw (villain); Hal Jordan [Green Lantern] (cameo); Larry Ingles (first appearance, death); Joe Malone (first appearance) |
| 20 | The Joker #8 | cover reprint (on interior page) | 1 | pencils: Ernie Chua; inks: Ernie Chua | Joker; Scarecrow [Jonathan Crane] |
| 21 | The Scarecrow's Fearsome Face-Off! | comic story | 17 | script: Elliot S! Maggin; pencils: Irv Novick; inks: Tex Blaisdell | Joker; Scarecrow [Jonathan Crane]; Southpaw (Joker's henchman); Tooth (Joker's henchman); Dr. Farr; Nightmare (Scarecrow's pet raven); Sonny November; Jerry (student) |
| 22 | The Joker #9 | cover reprint (on interior page) | 1 | pencils: Ernie Chua; inks: Ernie Chua | Joker; Catwoman |
| 23 | The Cat and the Clown! | comic story | 17 | script: Elliot S! Maggin; pencils: Irv Novick; inks: Tex Blaisdell | Joker; Catwoman |
| 25 | Who's Having the Last Laugh? | promo (ad from the publisher) | 1 | pencils: Irv Novick; inks: José Luis García-López | Joker |