Books about Missing persons -- Juvenile fiction

Brave and Bold; Or, The Fortunes of Robert Rushton

The secret of the caves

Grace Harlowe's Golden Summer

The missing chums

The Pirate of Jasper Peak

Mary Louise Stands the Test

A Ticket to Adventure

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

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

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

The Phantom Friend

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