TY - BOOK AU - Charman TI - I wonder why trees have leaves and other questions about plants T2 - I wonder why SN - 0753401630 U1 - 580 CHA 1997 PY - 1997/// CY - Danbury PB - Grolier Incorporated KW - Plants KW - Miscellanea KW - Juvenile literature KW - Questions and answers N1 - Includes index ER -