[48 p.] :col. ill.
When Maggie Murphy's grandfather visits he brings many mysteries, including an invention that may help eight-year-old Maggie, who loves being a spy, to solve a neighborhood crime--who is stealing the tuna fish from outside Mr. Kling's shop?
1.Inventions--Fiction.2.Grandfathers--Fiction.3.Spy stories.4.Detective and mystery stories.Dynamic Details