Missing persons -- Juvenile fiction books

The secret of the caves

Franklin W. Dixon

Brave and Bold; Or, The Fortunes of Robert Rushton

Horatio Alger, Jr.

The missing chums

Franklin W. Dixon

Grace Harlowe's Golden Summer

Josephine Chase

The Pirate of Jasper Peak

Cornelia Meigs

Dave Porter in the South Seas; or, The Strange Cruise of the Stormy Petrel

Edward Stratemeyer

The Rover Boys in the Jungle; Or, Stirring Adventures in Africa

Edward Stratemeyer

Lost over Greenland: or, Slim Tyler's search for Dave Boyd

Richard H. Stone

The Motor Boys on Road and River; Or, Racing To Save a Life

Clarence Young

A Ticket to Adventure A Mystery Story for Girls

Roy J. Snell

The Phantom Friend A Judy Bolton Mystery

Margaret Sutton

Mary Louise Stands the Test

Emma Speed Sampson