Franklin W. Dixon
Publisher: Grosset & Dunlap; 1st edition (January 1, 1943)
Format: PDF / Kindle / ePub
Size: 8.1 MB
Downloadable formats: PDF
unexplainable airplane crashes close to an airport at the East Coast plunge Frank and Joe Hardy right into a extraordinary case. From the instant Frank and Joe discover a radioactive engine in an aircraft junkyard, unforeseen hazards strike like lightning. regardless of the repeated makes an attempt on their lives, the teenage detectives pursue their research, getting to know very important clues and others that supply the answer to 1 of the main baffling mysteries the men and Mr. Hardy have ever encountered.