SEA GOLD
100 FATHOMS UNDER
THE WHISPERING BOX MYSTERY
THE PHANTOM SHARK
SMUGGLERS" REEF
THE CAVES OF FEAR
Grosset & Dunlap _Publishers_
NEW YORK 10, N.Y.
THE KEN HOLT MYSTERY STORIES
By Bruce Campbell
Ken Holt, son of a world-famous foreign correspondent, and Sandy Allen, of the redheaded Allen clan, join forces at a time when Ken is very much in need of help. They fall into the thick of a mystery as readily as a duck takes to water, and no sooner are they on the scent than the suspense begins to mount and every reader knows he is in for a thrilling time.
THE SECRET OF SKELETON ISLAND
Ken and Sandy solve the mystery of the strange goings-on at the exclusive resort on Skeleton Island.
THE RIDDLE OF THE STONE ELEPHANT
In Colorado gathering data for Ken"s dad about an old lawsuit between two ranchmen over water rights, Ken and Sandy find every move thwarted, every action watched.
THE BLACK THUMB MYSTERY
Ken and Sandy prove the innocence of a banker who has been found guilty of conspiracy in a robbery. The boys track down many clues before they discover the motive behind the sinister plot.
THE CLUE OF THE MARKED CLAW
Vacationing in a fishing village on Long Island, Ken and Sandy play an unexpected part in the capture of a dangerous ring of smugglers.
GROSSET & DUNLAP
Publishers of WORDS: _The New Dictionary_
NEW YORK 10, N. Y.
THE HARDY BOYS
_Mystery Stories_
By FRANKLIN N. DIXON
All boys from 11 to 15 who like lively adventure stories, packed with mystery and action, will want to read every one of the exciting Hardy Boys stories listed below. Sons of a famous American detective, the Hardy boys help solve many thrilling mysteries after school hours and during vacations, as they follow up the clues they unearth in their quest to bring criminals to justice.
_Now Available:_
1. THE TOWER TREASURE
2. THE HOUSE ON THE CLIFF
3. THE SECRET OF THE OLD MILL
4. THE MISSING CHUMS
5. HUNTING FOR HIDDEN GOLD
6. THE Sh.o.r.e ROAD MYSTERY
7. THE SECRET OF THE CAVES
8. THE MYSTERY OF CABIN ISLAND
9. THE GREAT AIRPORT MYSTERY
10. WHAT HAPPENED AT MIDNIGHT
11. WHILE THE CLOCK TICKED
12. FOOTPRINTS UNDER THE WINDOW
13. THE MARK ON THE DOOR
14. THE HIDDEN HARBOR MYSTERY