Publisher: Random House
First Printed: 1981
Cover Art by Robert Adragna
Internal Illustrations: None
First Printing Identification:
1234567890 numberline on the copyright page.
-- With Scar-Faced
Beggar, Random House introduced the fictional character of Hector Sebastian,
a mystery writer who replaced Alfred Hitchcock as the boys' mentor.
The series was then known as simply, The Three Investigators Mystery