Golden Son: Red Rising Trilogy 2 (The Red Rising Trilogy). (24 C.E.). Hodder Paperbacks. https://www.amazon.co.uk/Golden-Son-Red-Rising-Trilogy/dp/1444759035/ref=pd_bxgy_14_img_2?ie=UTF8&refRID=GR24J6GZ47CW2K4GWE8A
Red Rising. (25 C.E.). Hodder Paperbacks. https://www.amazon.co.uk/Red-Rising-Pierce-Brown/dp/1444758993/ref=sr_1_1?ie=UTF8&qid=1465392535&sr=8-1&keywords=red+rising