The Secret Of The Caves
Young detectives Frank and Joe Hardy, investigating the disappearance of a professor, encounter a hot-tempered hermit, and sabotage at the radar station and Honeycomb Caves.
FIC
year: 2017
copies: 17
call number/section: FIC
lexile: 700
subjects: hardy boys (fictitious characters), college teachers [X], sabotage, mystery and detective stories [X], hardy boys (fictional characters), mystery fiction, missing persons, amnesia, detective and mystery fiction, detective and mystery stories