Finally settled in her new South Dakota "office," Gertrude and Calvin get their first real client. But why is she dressed like a time traveler?
Brace yourself as Gert and Calvin discover the world of cowboy action shooting in order to catch the killer of one of the sport's most beloved shooters.
Can Calvin keep Gertrude from touching the guns? Can Gertrude solve a case that the sheriff has stalled on? Will Gertrude's sleuthing skills actually earn her a paycheck? Find out in Cowboy Shoot!