The case of the double cross /
Double cross
written and illustrated by Crosby Bonsall.
- 1st Harper Trophy ed.
- New York : HarperTrophy, 1982, c1980.
- 64 p. : col. ill ; 22 cm.
- I can read book .
- I can read book. .
"Grades 1-3"--Cover.
Bulletin (Center for Children's books). School Library Journal.
Marigold concocts a mystery that finally gets her and her friends into the boys' private eye club.