The "Sky Detectives" are ace pilots Jack Ralston and his pal "Perk," who help the Secret Service unravel baffling cases. This volume contains the complete 6-book series, originally published between 1930 and 1931:1. The Sky Detectives2. Eagles of the Sky3. Wings Over the Rockies4. The Sky Pilot’s Great Chase5. Trackers of the Fog Pack6. Flying the Coast SkywaysIf you enjoy this ebook, don't forget to search your favorite ebook store for "Wildside Press Megapack" to see more of the 250+ volumes in this series, covering adventure, historical fiction, mysteries, westerns, ghost stories, science fiction -- and much, much more!