Don Sturdy on the Ocean Bottom, or The Strange Cruise of the Phantom is volume 11 of the classic Don Sturdy series. From the author of the Tom Swift series.
Engels
Don Sturdy in the tombs of gold; or, The old Egyptian's great secret : Unearthing secrets in the land of pyramids: A thrilling adventure of mystery, treasure, and ancient tombs
Tom Swift circling the globe; or, The daring cruise of the Air Monarch : A Technological Adventure of Global Proportions
Don Sturdy on the Desert of Mystery
Depth Perception
Tom Swift and His Airline Express
The Blurred Blogger
Augmented Reality
The Spybot Invasion
The Sonic Breach
The Drone Pursuit: Tom Swift Inventors' Academy, Book 1
The Virtual Vandal
