Proof Of Concept Press

year of pub­li­ca­ti­onISBNauthor(s)title
2017978-0-9996148-1-5Ryan LewJustina: Daughter of Spartacus
2018978-0-9996148-3-9Ryan D. LewJustina: Rebels of Rome Part 1 (The Justina Saga) (Volume 2)