Black Trillium
Marion Zimmer Bradley & Julian May & Andre Norton
Trillium / World of the Three Moons (1)
Blood Trillium
Julian May
Trillium / World of the Three Moons (2)
Golden Trillium
Andre Norton
Trillium / World of the Three Moons (3)
Lady of the Trillium
Marion Zimmer Bradley & Elisabeth Waters
Trillium / World of the Three Moons (4)
Sky Trillium
Trillium / World of the Three Moons (5)