I own or have read 27 titles in this series.
Titles
- The Third Planet from Altair (1979)
- Space and Beyond (1980)
- The Abominable Snowman (1982)
- The Forbidden Castle (1982)
- Mystery of the Maya (1982)
- House of Danger (1982)
- Prisoner of the Ant People (1983)
- Lost on the Amazon (1983)
- Race Forever (1983)
- Escape (1983)
- Vampire Express (1984)
- Trouble on Planet Earth (1984)
- The Trumpet of Terror (1985)
- The Throne of Zeus (1985)
- The Magic of the Unicorn (1985)
- You Are a Shark (1985)
- Hurricane! (1988)
- You Are a Monster (1988)
- The Treasure of the Onyx Dragon (1990)
- The Lost Jewels of Nabooti (2006)
- Journey Under the Sea (2006)
- The Case of the Silk King (2006)
- War with the Evil Power Master (2006)
- Forecast from Stonehenge (2006)
- Return to Atlantis (2007)
- Secret of the Ninja (2007)
- Stranger Things (2023)