On a sultry afternoon Professor Featherwit and his nephews Waldo and Bruno watch a tornado gather, and the professor decides to ride it in his airship. The storm drops them in an uncharted land where hostile warriors, duels to the death and rumours of a vanished city in a hidden valley await, while the professor keeps taking notes for science.
A breezy dime-library adventure with early science-fiction trappings, for young readers who like hidden-valley stories. Download the free EPUB.