Lawrence Treat

100 Malicious Little Mysteries

2004

You're the detective!

1992

Tales of Obsession

Crime and Puzzlement

1982

Who done it?

1980

The Clue armchair detective

1983

My Cousin Phoebe, 24 Solve-Them-Yourself Picture Mysteries (Crime and Puzzlement)

1994

Murder on the Aisle

1988

Leather Man

2011

Get a clue 2

1997

Get a clue 1

1997

Ellery Queen's Eyes of Mystery

1981

Crime and Puzzlement 5

1993

Crime and Puzzlement 4

1991

Crime and Puzzlement 3

1988

Crime and Puzzlement 2

1982

Cluedo armchair detective

1983

Cherchez le coupable

1989