Fighting Lucanes

First book of 3-book series...but publisher didn't want series. Job for a Gunman and Chase into Mexico subsequently were printed out of order and with changed names. In this book, Levi Lucane is on the trail of the three men -- the Dantons -- who killed his older brother. When he reaches Hanna Creek, he becomes involved in helping a mute girl, find a raving madmad who butchers people with his knife, all while trying to find the hated Dantons. When he gets himself shot from ambush, his two more Lucanes arrive. With three of them in th mix, the days are numbered for every bad man in the country!