- Subjects
- Published
-
New York :
Grosset & Dunlap
1969.
- Language
- English
- Main Author
- Physical Description
- 175 p. : ill
- ISBN
- 9780448095462
- I. The Haunted Canoe
- II. Strange Whispering
- III. The Floating Ghost
- IV. The Octopus
- V. The Suspicious Flight
- VI. A Curious Prophecy
- VII. The Mysterious Box
- VIII. Rare. Medium. Well Done
- IX. Motel Apparition
- X. The Trap
- XI. Spooky Mistake
- XII. Code Identification
- XIII. The Vanishing Horse
- XIV. The Shell Clue
- XV. Outwitted
- XVI. Aim! Fire!
- XVII. Phantom Prisoners
- XVIII. Warning to Nancy
- XIX. The Weird Room
- XX. The Invisible Intruder