The Lost Continent

A Man Inside

River Rivals

The Dragon's Secret

Operation Airlift

The Night Raiders

The Golden Dragon

Shipwreck

Mission Accomplished

The Blockade Runners

The Last Hope

Son of the Sahara

The Conspirators

Gun Runners

Counter Plot

Ambush

Trapped

The Valley of Ghosts

The Ghost Army

Daylight Robbery

Five Have a Mystery to Solve

The Life of Galileo

High Tide

The Hunt in the Woods

Whispering Island

The Crusader's Treasure

The Secret Door

The Castaways