stage 1: v. 1: The moon; illustrated by Gerald Witcomb Msia.__ v. 2: Mountains.__ v. 3: Rain; illustrations by Pat Robson.__ v. 4: Rivers; illustrations by Philip Corke.__ v. 5: Oil; illustrations by Pat Robson.__ v. 6: Paper.__ v. 7: Animals and birds of the desert; illustrations by Mary Clutterbuck.__ v. 8: Plants and flowers of the desert; illustrations by Fiona Almeleh.__ v. 9: Jungles; illustrations by Mary Clutterbuck.__ v. 10: Spaceships; illustrations by Liz Chapman.__ v. 11: Camels; illustrations by Mary Clutterbuck.__ v. 12: The Nile; illustrations by Claie Mumford.__ v. 13: The class; illustrations by Philip Corke.__ v. 14: Cotton; illustrations by Philip Corke.__ v. 15: Oases; illustrations by Philip Corke.__ v. 16: Oceans and seas; illustrations by Douglas Cameron.__ v. 17: The sun; illustrations by Liz Chapman.__ v. 18: Wood; illustrations by Donald Myall.__ v. 19: Iron and steel; illustrations by Pete Robinson.__ v. 20: Leather; illustrations by Gerald Witcomb Msia.__ v. 21: Fish; illustrations by Jane Cheswright.__ v. 22: Birds; illustrations by Donald Myall.__ v. 23: Camouflage in nature; illustrations by Jane Cheswright.__ v. 24: Arab horses; illustrations by Kay Wilson.__ v. 25: Cars; illustrations by Kevin Smart.__ v. 26: Clothes; illustrations by Elaine Mills.__ v. 27: Wheels; illustrations by Kay Wilson.__ v. 28: Wool; illustrations by David Williams.__ v. 29: Animals at work; illustrations by Tony Smith.__ v. 30: Dinosaurs; illustrations by Tony Smith.__ v. 31: Aircraft; illustrations by Philip Corke.__ v. 32: Ships; illustrations by Gerald Witcomb.__ v. 33: Bread; illustrations by Kay Wilson.__ v. 34: Islands; illustrations by Tony Smith.__ v. 35: Animal homes; illustrations by Simon Butr.__ v. 37: Money; illustrations by Bob Larking