H.A.L.F. The deep beneath. Book one

H.A.L.F. (Human Alien Life Form) #9 is the product of genetic engineering, the union of human and alien DNA. He has lived for seventeen years in an underground lab, sedated and trained to be a cold-blooded killing machine. But H.A.L.F. 9 has escaped the lab and the sedation has worn off. Meanwhile, Erika Holt is relaxing in the desert with her friends but is thrust into a situation more dangerous than she ever imagined. If she chooses to help H.A.L.F. 9 escape, her fate will become intertwined with his in what will become an intergalactic adventure.