This is an ace double book first half echo of a Texas rifle second half standoff at Massacre buttes Echo of a Texas rifle- win trouble knocks on ben hattan's door it better have it six shooters in its hands Standoff at Massacre buttes- Idaho territory around the isolated mountain town of new strike seem to breed a special brand of varmint part wolf in sheep's clothing part pole cat with the skunk stripe down its back and part jackass with the Rattlers things Good condition for its age slight yellowing of pages 1967