- eBookHello, Nebulon!Ray O'Ryan
- eBookA Green Christmas!Ray O'Ryan
- eBookThree's a Crowd!Ray O'Ryan
- eBookMonsters in Space!Ray O'Ryan
- eBookDrake Makes a Splash!Ray O'Ryan
- eBookJourney to JunoRay O'Ryan
- eBookA Haunted HalloweenRay O'Ryan
- eBookA Galactic Easter!Ray O'Ryan
- eBookThe Prehistoric PlanetRay O'Ryan
- eBookReady, Set, Blast Off!Ray O'Ryan
- eBookThe Annoying CrushRay O'Ryan
- eBookReturn to Earth!Ray O'Ryan
- eBookCosmic Blackout!Ray O'Ryan
- eBookSpace CampRay O'Ryan
- eBookOperation Twin TroubleRay O'Ryan
- eBookSnow Place Like HomeRay O'Ryan
- eBookScience Fair Disaster!Ray O'Ryan
- eBookGame Over, NebulonRay O'Ryan