10 APRIL 1959, Page 41

The Devil's Door. By Leonard Halliday. (Ham- mond, 12s. 6d.)

Brisk thriller based on a bright new idea: it is set largely in South Tyrol, and based on separatist movement there, which is as real and as up-to-the-news as the Iron Curtain and a damn sight less fly-blown as a theme.