The Human Captain:

Abducted by an alien race the lone human, Captain Wolfe finds himself in command of the Tobin frigate the Hammer. There, he must command an alien ship as he fights a brutal enemy the Cael. Alone in the Crones Sector which borders the Cael Empire border he must lead his crew against the savage invaders coming into Tobin territory. Captain Wolfe not only is the Tobin’s greatest secret but their best hope In the first book, of the Human Captain.