Kip. 6: The Underground City
Ilirushwa tarehe 21 Mei 1981
6
Vipindi
- Kip. 2 · The Infinite Universe
- Kip. 3 · Thieves of the Millennium
- Kip. 4 · A Meteorite Disappears
- Kip. 5 · The Underground Boat Is...
- Kip. 6 · The Underground City
- Kip. 7 · Invitation to the Secret Base.
- Kip. 8 · Crisis of the Underground Explosion
- Kip. 9 · Approaching the Mystery of the Big Cave.
- Kip. 10 · Fight at the Holy Cave.