Home   About Me Autobiography   My Books By Genre Alphabetically By Publication Date Audio Books Books on Kindle   Awards & News Newbery Honor Junior Library Guild ALA Notable Books All Awards and Selections   To Fellow Writers   Contact Me       Below the Root 1975 Atheneum First book of the Green Sky Trilogy Born in a future world, on a planet covered by enormous trees, Raamo begins to learn the hidden truths that underlie his beautiful but secretive civilization. Tor edition 1985 Computer game "Below the Root"--Spinnaker Software's Windham Classics 1985 for for Apple, IBM and Commodore Junior Literary Guild Selection Dell Laurel Leaf Edition 1992 Order from: Amazon | Bookpassage BN.com | IndieBound iUniverse Zilpha adapted the Green Sky trilogy to form the basis of a computer game, "Below the Root". It was released by Spinnaker Software in 1984 and is now considered a classic. The game is still playable by means of emulator software, which can be downloaded online.