With a shout of "Rockets a-a-away!" three young Earthmen send the untested XL-35 rocket ship screaming into space toward the lost planet of Poseida. Space doctor Bill Hudson and two friends have courageously taken off on a forbidden flight in their eagerness to help prevent a catastropic war between Earth and Poseida...
Original title: The Lost Planet
Genre: Fiction→ Science Fiction→ Adventure→ Lost Worlds and Colonies