| 0 | - | cover | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 1 | Endpapers | illustration | 3 | | |
| 2 | Title Page | credits, title page | 1 | | |
| 3 | Copyright and Credits | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 4 | An Introduction | foreword, introduction, preface, afterword | 2 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora | |
| 5 | Klaus: How Santa Claus Began | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 6 | Chapter One | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 7 | How Santa Claus Began Chapter One | comic story | 30 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 8 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 9 | Chapter Two | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 10 | How Santa Claus Began Chapter Two | comic story | 22 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 11 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 12 | Chapter Three | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 13 | How Santa Claus Began Chapter Three | comic story | 24 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 14 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 15 | Chapter Four | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 16 | How Santa Claus Began Chapter Four | comic story | 24 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 17 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 18 | Chapter Five | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 19 | How Santa Claus Began Chapter Five | comic story | 24 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 20 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 21 | Chapter Six | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 22 | How Santa Claus Began Chapter Six | comic story | 24 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 23 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 24 | Chapter Seven | credits, title page | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 25 | How Santa Claus Began Chapter Seven | comic story | 32 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 26 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 27 | Klaus and the Witch of Winter | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 28 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 29 | Klaus and the Witch of Winter | comic story | 45 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora, Doug Campos; letters: Ed Dukeshire | Klaus; Lilli; Gepetto; Spoonlicker; Naomi [Nomi]; Ben; Dad; the Witch of Winter [Blue Queen] [Blue Lady] [Night-Hag] [Bera] [Cailleach] [Lady Turquoise]; Stubby; Sheepcote; Gully Hawk; Yule Lads |
| 30 | Klaus and the Crisis in Xmasville | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 31 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 32 | Klaus and the Crisis in Xmasville | comic story | 48 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | Klaus; Lilli; Kate; Snowmaiden; Grandfather Frost; the beast ["Bad Santa"]; children; parents; Partridge grandfather; Partridge grandson; aliens; mind-controlled people of Xmasville |
| 33 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 34 | Klaus and the Crying Snowman | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 35 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 36 | Klaus and the Crying Snowman | comic story | 48 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 37 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 38 | Klaus and the Life & Times of Joe Christmas | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 39 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 40 | Klaus and the Life & Times of Joe Christmas | comic story | 52 | script: Grant Morrison; pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora; letters: Ed Dukeshire | |
| 41 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 42 | Klaus: Pen & Ink | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 43 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 44 | How Santa Claus Began Chapter One | comic story | 30 | script: Grant Morrison, Dan Mora; pencils: Dan Mora; inks: Dan Mora; letters: Ed Dukeshire; editing: Eric Harburn, Matt Gagnon, Matthew Levine | |
| 45 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 46 | Cover Gallery by Dan Mora | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 47 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 48 | Klaus #1 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 49 | Klaus #2 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 50 | Klaus #3 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 51 | Klaus #4 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 52 | Klaus #5 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 53 | Klaus #6 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 54 | Klaus #7 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 55 | Klaus #1 Local Comic Shop Day Variant Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 56 | Klaus and the Witch of Winter #1 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | Klaus; Lilli |
| 57 | Klaus and the Witch of Winter #1 Black Ice Variant Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 58 | Klaus and the Crisis in Xmasville #1 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 59 | Klaus and the Crying Snowman #1 Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | Klaus |
| 60 | Klaus and the Crying Snowman #1 Variant Cover | cover reprint (on interior page) | 1 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | Sam (snowman) |
| 61 | Klaus and the Life & Times of Joe Christmas #1 Cover | cover reprint (on interior page) | 2 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | Klaus; Joe Christmas |
| 62 | Variant Cover Gallery | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 63 | Klaus #1 1:00 Chris Burnham Virgin Variant Cover | cover reprint (on interior page) | 1 | pencils: Chris Burnham; inks: Chris Burnham; colors: Jordan Boyd | |
| 64 | Klaus #1 Frazer Irving Jackpot Variant Cover | cover reprint (on interior page) | 1 | pencils: Frazer Irving; inks: Frazer Irving; colors: Frazer Irving | |
| 65 | Cards, Comics & Collectibles - Cully Hamner Variant Cover | cover reprint (on interior page) | 1 | pencils: Cully Hamner; inks: Cully Hamner; colors: Cully Hamner | |
| 66 | Newbury Comics - Vanessa R. Del Rey Variant Cover | cover reprint (on interior page) | 1 | pencils: Vanesa R. Del Rey; inks: Vanesa R. Del Rey; colors: Vanesa R. Del Rey | |
| 67 | Klaus #2 Second Printing David Rubin Variant Cover | cover reprint (on interior page) | 1 | pencils: David Rubín; inks: David Rubín; colors: David Rubín | |
| 68 | Klaus and the Crisis in Xmasville #1 1:15 John Cassaday Variant Cover | cover reprint (on interior page) | 1 | pencils: John Cassaday; inks: John Cassaday; colors: Laura Martin | |
| 69 | Klaus and the Crisis in Xmasville #1 Frank Quietly Variant Cover | cover reprint (on interior page) | 1 | pencils: Frank Quitely; inks: Frank Quitely; colors: Frank Quitely | |
| 70 | Klaus and the Crying Snowman #1 Humberto Ramos Variant Cover | cover reprint (on interior page) | 1 | pencils: Humberto Ramos; inks: Humberto Ramos; colors: Edgar Delgado | Klaus; Lilli |
| 71 | Klaus and the Life & Times of Joe Christmas #1 Bengal Variant Cover | cover reprint (on interior page) | 2 | pencils: Bengal; inks: Bengal; colors: Bengal | |
| 72 | Additional Artwork by Dan Mora | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 73 | - | illustration | 10 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 74 | In the Studio with Dan Mora | credits, title page | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 75 | - | illustration | 4 | pencils: Dan Mora; inks: Dan Mora; colors: Dan Mora | |
| 76 | Creator Biographies | credits, title page | 2 | pencils: Dan Mora, Alan Amato; inks: Dan Mora, Alan Amato; colors: Alan Amato | |
| 77 | - | illustration | 2 | pencils: Dan Mora; inks: Dan Mora | |
| 78 | - | illustration | 1 | pencils: Dan Mora; inks: Dan Mora | |
| 79 | Endpapers | illustration | 3 | | |
| 80 | Back Cover | illustration | 1 | | |