- Subjects
- Published
-
New York :
Grosset & Dunlap
1964.
- Language
- English
- Main Author
- Physical Description
- 176 p. : ill. ; 20 cm
- ISBN
- 9780448089195
- I. Weird Screams
- II. Telephone Tip
- III. The Purple Stone
- IV. The Jigsaw Face
- V. Spook Hound
- VI. Symbol in Brass
- VII. A Fast Fade-out
- VIII. Rock Hounds' Shadow
- IX. Secret Cruiser
- X. The Ghostly Figure
- XI. A Parcel of Gems
- XII. The "Seacat" Clue
- XIII. Snoop Camera
- XIV. Tigers' Lair
- XV. Puzzling Reports
- XVI. Riddle With Three Answers
- XVII. The Second Specter
- XVIII. A Strange Machine
- XIX. Jewel Cache
- XX. Trapped!