Introducing: The Rainbow Screen, the latest project of entrepreneur Gerard Logan and the brainchild of two aspiring inventors currently residing at The Firs in the village of Todlington near Westingborough. A revolution in colour cinema, Logan and his proteges are convinced that the screen will cause a sensation. But when Logan disappears after attending the final demonstration of the new equipment, his daughter begins to fear the worst. Could it really be a publicity stunt, as the London police suspect? Or is something more nefarious afoot? Enter Inspector Head...
Originally published in 1938, this is a vintage murder mystery from the golden age of crime fiction.