C.M. Castillo is a Chicago-based author of fiction focusing on strong, engaging characters, fantasy, hints of romance, and times past. Her debut novel, The Pages of Adeena, was published in 2019 and was awarded a finalist status in November 2020 under the LGBTQ fiction category sponsored by American Book Fest.

C.M. also worked as a featured columnist for The Windy City Times, Chicago's LGBTQ publication. The Trunk is her second novel and it's currently available for pre-order on Amazon, Google Books, and Barnes & Nobles.