#61 in the Hazards of Helen series
Helen Gibson
Helen
Franklyn Hall
Robyn Adair
Clarence Burton
Black Widow
Maniac
The Apology
Cornered
The Night Stalker
The Truth About Emanuel
The Quiller Memorandum
No Name on the Bullet
Sleep, My Love
The MacKintosh Man
The Time Shifters
Cul-de-sac
Hollow Triumph
The Mirror Crack'd
The Lady Vanishes
Conflict
The Glass Key
The Dark Mirror
Journey into Fear
Race with the Devil
