"Tom Swift and His 3-D Telejector" by VIctor Appleton II (Tom Swift Jr., Book 24)

From The New Tom Swift Jr. Adventures. Young inventor Tom Swift unveils his latest marvel, a 3-D projector that beams images from far-off places, and uses it to track down strange robotic visitors. Classic 1960s science fiction with vivid cover art. This vintage hardcover is in good condition and is a real find for collectors.