A Princely Sum
E1
Crash in the Desert
E2
Paris Interlude
E3
The Seance Story
E4
The Human Factor
E5
The Seamark
E6
Three Steps to Murder
E7
The Glass Diamond
E8
Vendetta in Venice
E9
The Last Bullet
E10
Forty-Two on a Rope
E11
The Duelists
E12
The Counterfeit Stamp
E13
We Are All Suspect
E14
The Bay of the Dead
E15
The Other Side of the Wall
E16
Deadline Date
E17
Girl on the Rocks
E18
Grave and Present Danger
E19
Double Negative
E20
Mutation
E23
Strange Visitor
E27
The Altar
E28
The Bad Spell
E58
Amy Rae, a famous singer, is receiving threatening notes, and her husband Tony goes to Roy Markham to find out who's sending them. Is his wife in danger?