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 Gertrude 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 the case before the sheriff does? Will Gertrude's sleuthing skills actually earn her a paycheck? Find out in Cowboy Shoot!

(This is Book 3 of Gertrude in South Dakota. All Gertrude books are available in large print.)