Buku yang Dikarang by Harold L. (Harold Leland) Goodwin

The Caves of Fear

Rip Foster in Ride the Gray Planet

The Egyptian Cat Mystery

The Egyptian Cat Mystery

The Electronic Mind Reader

The Blue Ghost Mystery

Rip Foster Rides the Gray Planet

The Golden Skull

The Flying Stingaree

The Flying Stingaree

The Flaming Mountain

The Pirates of Shan

The Scarlet Lake Mystery

The Wailing Octopus

The Pirates of Shan

Rip Foster Rides the Gray Planet

Smugglers' Reef