Las Gafas Del Señor Cagliostro

This is one of Mr. Keeler's finest mystery novels, developing his 'Webwork plot' construction -- an intricate edifice built up on one of the most startling and ingenious ideas in mystery literature.

"Through the diabolical scheme to separate a man from his inheritance, Mr. Keeler throws a fascinating sidelight upon a criminal use of modern psychology.

"Real -- thrilling mystery -- told by a master of mystery stories.