Barcoe Jenks, the nervous and eccentric financier, enlists Tom's aid to travel to Colorado and determine the method of making artificial (and perfect!) gemstones -- the secret of this method having been used as bait to defraud Jenks of a large sum of money.
Rocket Racers
Victor Appleton
book
Into the Abyss
Victor Appleton
book
The Space Hotel
Victor Appleton
book
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
Victor Appleton
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Tom Swift circling the globe; or, The daring cruise of the Air Monarch : A Technological Adventure of Global Proportions
Victor Appleton
book
Don Sturdy on the Desert of Mystery
Victor Appleton
book
Don Sturdy on the Ocean Bottom
Victor Appleton
book
Depth Perception
Victor Appleton
book
Tom Swift and His Airline Express
Victor Appleton
book
The Blurred Blogger
Victor Appleton
book
Augmented Reality
Victor Appleton
book
The Spybot Invasion
Victor Appleton
book