Harold L. Goodwin

Rip Foster Rides the Gray Planet

The Egyptian Cat Mystery: A Rick Brant Science-Adventure Story

Smugglers' Reef: A Rick Brant Science-Adventure Story

Rip Foster in Ride the Gray Planet

The Electronic Mind Reader: A Rick Brant Science-Adventure Story

The Flying Stingaree: A Rick Brant Science-Adventure Story

The Golden Skull: A Rick Brant Science-Adventure Story

The Blue Ghost Mystery: A Rick Brant Science-Adventure Story

The Pirates of Shan: A Rick Brant Science-Adventure Story

The Flaming Mountain: A Rick Brant Science-Adventure Story

The Caves of Fear: A Rick Brant Science-Adventure Story

The Wailing Octopus: A Rick Brant Science-Adventure Story

The Scarlet Lake Mystery: A Rick Brant Science-Adventure Story