THE LAVALITE WORLD 1977 Ace 1st Paperback	THE LAVALITE WORLD 1979 Sphere 1st British Printing	THE LAVALITE WORLD included in THE WORLD OF TIERS Volume 2 1981 Book Club Hardcover	BEHIND THE WALLS OF TERRA 1983 Phantasia Press Hardcover Limited Signed
BEHIND THE WALLS OF TERRA 1983 Phantasia Press Hardcover	THE LAVALITE WORLD included in THE WORLD OF TIERS Volume 2 1986 Sphere Trade Paperback	THE LAVALITE WORLD included in THE WORLD OF TIERS Volume 2 1996 Tor Hardcover	THE LAVALITE WORLD included in THE WORLD OF TIERS Volume 2 1996 Tor Trade Paperback
THE LAVALITE WORLD included in THE WORLD OF TIERS 2001 Book Club Hardcover