A scientist on the run with a valuable formula is murdered, and the only witnesses are eight blind people.
Dennis Price
Allan
Peggy Ann Garner
Helen Hildbrand
Charles Jacquemar
Prof. Hildebrand
Wolfgang Büttner
Killer
Christian Dorn
Carl
Ernst Fritz Fürbringer
Intelligence Chief
Gerhard Kittler
Killer's Boss
Dead Man's Folly
Kept Woman
Crossword Mysteries: A Puzzle to Die For
Crossword Mysteries: Proposing Murder
Crossword Mysteries: Abracadaver
A Sister's Secret
Garage Sale Mystery: The Novel Murders
Mystery 101: Playing Dead
Murder, She Baked: Just Desserts
Aurora Teagarden Mysteries: Heist and Seek