The Gaian Expedient (The Erthring Cycle, Book 2)

Second book in the Erthring cycle, which also includes "The Memoirs of Alcheringia" (1984) and "The Master of Norriya" (1986). Wayland Drew (1932 - 1998) was a Canadian writer known for his environmental themes; his first novel, "The Wabeno Feast" (1973) is widely praised. Drew also wrote a number of movie novelizations, including "Corvette Summer" and "Dragonslayer."