The Secret of the Old Mill

The Mystery of the Singing Ghost

The Mystery of the Dead Mans Riddle

The Mystery Series: Volume 3

The Hardy Boys Secret Files Collection Books 1-5

The Mystery Series: Volume 5

The Mystery at Lilac Inn

The Mysteries Collection Volume 4 (The Mystery Series)

The Hardy Boys

State Department officials in Washington have grave fears for Senor Juan Rivera, a valued operative in the Latin American state of San Pedro. The danger appears to be from practitioners of voodoo. A series of terror-stricken messages from Rivera end quite abruptly. Frank and Joe Hardy and their chum Chet are sent down to investigate. Posing as bird watchers, the teen agents quickly find themselves entangled in a plot.

Discover Your Child's Next Read

The Secret of the Old Mill

Franklin W. Dixon, 1927

The Mystery of the Singing Ghost

Gertrude Chandler Warner, Gertrude Warner, 1992

The Mystery of the Dead Mans Riddle

Robert Arthur, William Arden, 1974

The Mystery Series: Volume 3

Enid Blyton, 2015

The Hardy Boys Secret Files Collection Books 1-5

Franklin W. Dixon, Scott Burroughs, 2014

The Mystery Series: Volume 5

Enid Blyton, 2015

The Mystery at Lilac Inn

Carolyn Keene, 1930

The Mysteries Collection Volume 4 (The Mystery Series)

Enid Blyton, 2013