- EbookThe Caves of FearHarold L. (Harold Leland) Goodwin
- EbookThe Electronic Mind ReaderHarold L. (Harold Leland) Goodwin
- EbookRip Foster in Ride the Gray PlanetHarold L. (Harold Leland) Goodwin
- EbookThe Egyptian Cat MysteryHarold L. (Harold Leland) Goodwin
- EbookThe Egyptian Cat MysteryHarold L. (Harold Leland) Goodwin
- EbookThe Blue Ghost MysteryHarold L. (Harold Leland) Goodwin
- EbookThe Golden SkullHarold L. (Harold Leland) Goodwin
- EbookRip Foster Rides the Gray PlanetHarold L. (Harold Leland) Goodwin
- EbookThe Flying StingareeHarold L. (Harold Leland) Goodwin
- EbookThe Flying StingareeHarold L. (Harold Leland) Goodwin
- EbookThe Flaming MountainHarold L. (Harold Leland) Goodwin
- EbookThe Pirates of ShanHarold L. (Harold Leland) Goodwin
- EbookThe Scarlet Lake MysteryHarold L. (Harold Leland) Goodwin
- EbookThe Pirates of ShanHarold L. (Harold Leland) Goodwin
- EbookThe Wailing OctopusHarold L. (Harold Leland) Goodwin
- EbookSmugglers' ReefHarold L. (Harold Leland) Goodwin
- EbookRip Foster Rides the Gray PlanetHarold L. (Harold Leland) Goodwin