The Life of Galileo

The Secret Door

The Crusader's Treasure

The Castaways

The Hunt in the Woods

Whispering Island

High Tide

Daylight Robbery

Five Have a Mystery to Solve

The Last Hope

The Valley of Ghosts

The Ghost Army

The Conspirators

Trapped

Son of the Sahara

Gun Runners

Counter Plot

Ambush

River Rivals

Operation Airlift

The Dragon's Secret

The Golden Dragon

The Night Raiders

Shipwreck

Mission Accomplished

The Blockade Runners

The Lost Continent

A Man Inside