The book ‘Poseidon’ is written by Carly Spade. ‘Poseidon’ is the fifth book in Carly Spade’s ‘Contemporary Mythos’ series. In the story, the character, Cordelia Bourne, is an oceanographer and professional gamer with a deep connection to water and aquatic life. She spends her days underwater and the nights she has she streams her ‘Tides of Atlantis’ gameplay.