Spurgeon, Richard. Ecology / [electronic resource] / Richard Spurgeon ; edited by Corinne Stockley ; designed by Stephen Wright ; illustrated by Kuo Kang Chen, Brin Edwards and Caroline Ewen ; Margaret Rostron, scientific advisor.. — American ed.. — Tulsa, Okla. : : EDC Pub.,, 1988.. — 48 p. : : col. ill., maps ; 25 cm. — (Usborne science & experiments). - Usborne science & experiments (Tulsa, Okla.) .