Tom Swift and his Ultrasonic Cycloplane

"There's part of Bud's wrecked plane!" Hovering his new cycloplane, the *Drumhawk*, in turbulent skies above the wilds of the New Guinea jungle, Tom Swift Jr. points to the sheared-off wing of his friend's plane. The area, flanked by two extinct volcanoes, is as forbidding as the deserted native huts clustered in sinister shadows. Without Tom's latest aircraft, which uses ultrasonic rotating drums to provide lift, a rescue attempt would be impossible. Battling violent weather conditions, the young inventor lands the *Drumhawk* and organizes a rescue expedition. Hazards are encountered fr…