HAL KEEN MYSTERY STORIES
By HUGH LLOYD
Boys! Meet Hal Keen, that lanky, nonchalant, red-headed youth whose guiding star is the star that points to adventure, excitement and mystery. Follow him in his hunts for clues and criminals. There are plenty of thrills and shivers in these stories to keep you on your toes.
THE SMUGGLER’S SECRET
Hal Keen sets out to get to the bottom of a mystery that threatens the safety of a whole community.
THE MYSTERIOUS ARAB
Mystery, excitement, murder in a scientist’s camp in the jungles of Africa, where hate, revenge, and suspicion lead to tragedy.
THE HERMIT OF GORDON’S CREEK
The disappearance of two airmail pilots leads to a mystery that centers about an abandoned mine and a strange old man.
KIDNAPPED IN THE JUNGLE