View source for Extended universe

Gunmetal Olympus is a shared universe, created by [[Maria Ying]] with [[The Persephone Trilogy]] along with various short story collections such as [[Memory of Olympus]]. In addition, various other authors have self-published works set in or based on the setting.

== Cirice Gray ==
<blockquote>Main article: [[Cirice Gray]]</blockquote>
Cirice is the author of the [[Sisters of Meténeion]] series, focusing primarily on the young mortal acolyte [[Madalithea]]. Maria Ying co-authored the second entry, [[House of the Underworld]], and Madalithea appears in The Persephone Effect.

== Callisto Khan ==
<blockquote>Main article: [[Callisto Khan]]</blockquote>
Callisto is the author of [[The Zeus Constant]], a sister novel to [[The Hades Calculus]] focusing on the titular god; since its release, it has been described as "dubiously canon" in regards to continuity with later additions to Ying's works. She also wrote A Weed in the Flowerbeds, a short story appearing in Memory of Olympus.

After the release of The Zeus Constant, Callisto became part of the shared pseudonym Maria Ying. Her first book under the name was [[The Persephone Effect]].

== Tris Husband ==
<blockquote>Main article: [[Tris Husband]]</blockquote>
Tris is the author of [[The Pink Diamond]] and [[Keeping The Peace]], starring private detective [[Isadora]].

== Luna Selvin ==
<blockquote>Main article: [[Luna Selvin]]</blockquote>
Luna is the author of the short story [[A Drone's Domain]].

== Sadhbh Frost ==
<blockquote>Main article: [[Sadhbh Frost]]</blockquote>
Sadhbh is the author of the short story [[The Fundamental Order of Elysium]].

== Autumn Wolff ==
<blockquote>Main article: [[Autumn Wolff]]</blockquote>
Autumn is the author of [[The Little Owl Flower Shop]] and [[A Network of Roses]].

== Emmeryn Palladino ==
<blockquote>Main article: [[Emmeryn Palladino]]</blockquote>
Emmeryn is the author of [[The Medusa Terminus]].

== Amber Jayne ==
<blockquote>Main article: [[Amber Jayne]]</blockquote>
Amber is the author of the [[Giantslayer Trilogy]], starring the demigod [[Alcippe]].