Tom Swift Series

Tom Swift is the main character of five series of American juvenile science fiction and adventure novels that emphasize science, invention and technology. First published in 1910, the series total more than 100 volumes. The character was created by Edward Stratemeyer.
Books in the Tom Swift series:
Tom Swift and His Sky Racer (1911)

Tom Swift and His Sky Racer, or, The Speediest Flight on Record, is Volume 9 in the original Tom Swift novel series published by Grosset & Dunlap.
A$10,000 prize lures Tom into competing at a local aviation meet at Eagle Park. Tom is determined to build the fastest plane around, but his plans mysteriously disappear, which means Tom must redesign his new airplane from the beginning. A side-plot through the story is Mr. Swift’s failing health.