George, Jean Craighead 1919-2012 creator text cb New York Harper Trophy 1992 First Harper Trophy edition, 1992. monographic en 191 pages : a map ; 20 cm. Two ecology-conscious children try to trace the imbalances in the environment that might have caused the death of the town's best-known robin. U 830 Lexile U Raz-Plus Jean Craighead George Ecology Fiction Environmental protection Fiction PZ7.G2933 Wh 813.54 0525427007 DLC 23071 20230804154157.0 961 eng