- Author: Harmon Cooper Author Record # 253922
- Birthplace: USA
- Language: English
- Webpages: Facebook, Goodreads-1, Goodreads-2, harmoncooper.com, Twitter
- Used These Alternate Names: Gideon Caldwell
- Author Tags: LitRPG (3), fantasy (2), post apocalypse (1), horror (1)
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Novels
- Life Is a Beautiful Thing (2015)
- Life Is a Beautiful Thing 2 (2015)
- Boy Versus Self (2015)
- Life Is a Beautiful Thing 3 (2015)
- The Feedback Loop (2015)
- Life Is a Beautiful Thing 4 (2015)
- Steampunk Is Dead (2015)
- High Fantasy (2015)
- The Zero Patient (2016)
- The Zero Patient 2 (2016)
- Reapers and Repercussions (2016)
- The Mechanical Heart (2016)
- Cyber Noir Redux (2017)
- Hyperborea (2017)
- Proxima Riven (2017)
- The Last Warrior of Unigaea (2017)
- Polynya (2017)
- The Drachma Killers (2017)
- The Red Plague (2017)
- Star-Spangled Apocalypse (2018)
- The Runestones of Tritinakh (2018)
- Cherry Blossom Girls (2018)
- Cherry Blossom Girls 2 (2018)
- Monster Hunt NYC (2018)
- Cherry Blossom Girls 3 (2018)
- Monster Hunt NYC 2 (2018)
- House of Dolls (2018)
- Cherry Blossom Girls 4 (2018)
- Cherry Blossom Girls 5 (2018)
- Apotheosis Boom (2018)
- House of Dolls 2 (2018)
- Cherry Blossom Girls 6 (2019)
- We Could Be Heroes (2019)
- House of Dolls 3 (2019)
- We Could Be Heroes 2 (2019)
-
Cherry Blossom Girls International 7 (2019)
also appeared as:
- Variant: Cherry Blossom Girls International: Book Seven (2019)
- Monster Hunt NYC 3 (2019)
- Child of Chaos (2019)
-
Cherry Blossom Girls International 8 (2019)
also appeared as:
- Variant: Cherry Blossom Girls International: Book Eight (2019)
-
Path of the Divine (2019)
also appeared as:
- Translation: El sendero de la divinidad [Spanish] (2020)
- Translation: Il sentiero del divino [Italian] (2020)
- Death's Mantle (2019)
- Divine Madness (2019)
- House of Dolls 4 (2019)
- Path of Possession (2020)
- Death's Mantle 2 (2020)
- House of Dolls 5 (2020)
- Dungeon Goddess (2020) [only as by Gideon Caldwell]
- Death's Mantle 3 (2020)
-
Cherry Blossom Girls International 9 (2020)
also appeared as:
- Variant: Cherry Blossom Girls International: Book Nine (2020)
- Pilgrim (2020)
- My Ninja Girl Volume 1 (2020) [only as by Gideon Caldwell]
- Sacred Cat Island (2020)
- My Ninja Girl Volume 2 (2020) [only as by Gideon Caldwell]
- Pilgrim: Book Two (2020)
- My Ninja Girl Volume 3 (2021) [only as by Gideon Caldwell]
- Infinite Dusk (2021)
- My Ninja Girl Volume 4 (2021) [only as by Gideon Caldwell]
- Pilgrim: Book Three (2021)
- Moonsault! (2021) [only as by Gideon Caldwell]
- Mask of the Fallen (2021)
- Infinite Dark (2021)
- Pilgrim: Book Four (2021)
-
Moonsault!: Volume Two (2021)
only appeared as:
- Variant: Moonsault! 2 (2021) [as by Gideon Caldwell]
- Variant: Moonsault!: Volume Two (2021) [as by Gideon Caldwell]
- Pilgrim: Book Five (2022)
- Tokens & Towers (2022)
- The Whispering Sword (2022)
- Infinite Dawn (2022)
- Zombie Lolita (2015)
- Life is a Beautiful Thing: Books 1-3 (2015) [O/1-3]
- The Feedback Loop Box Set: Books 1-3 (2016) [O/1-3]
- The Feedback Loop Box Set: Books 4-6 (2017) [O/4-6]
- The Last Warrior of Unigaea Box Set (2018) [O/1-3]
- Cherry Blossom Girls Box Set: Books 1-3 (2019) [O/1-3]
- Way of the Immortals Box Set (2020) [O/1-3]
- My Ninja Girl I (2021) [O/1-2] [only as by Gideon Caldwell]
- My Ninja Girl 2 (2021) [O/3-4] [only as by Gideon Caldwell]
- The Feedback Loop: Volume One: Books 1-4 (2022) [O/1-4]
- The Feedback Loop: Vol. 2: Books 5-8 (2022) [O/5-8+1ss]
- Jatla Is Not a Sh*thole (2018)
- Blogging the Muse (2015)
- My Machine Doll (2015)
- Thank You, Mr. Tiger (2015)
- The Attar of Roses (2015)
- The Updated Elder's Pocket Companion (2015)
- Zombie Lolita (2015)
- Featured Preview: Fantasy Online—Hyperborea (2017)
- Jatla Is Not a Sh*thole (2018)
- Chance Encounter (2018)
- Exclusive Interview with Harmon Cooper (2017) by uncredited