Nature's network / Keith Reid. Reid, Keith. American Museum of Natural History. Ecology Juvenile literature. QH541.14 .R43 1970 591.5 REN Includes index. Describes how animals and plants interact to help preserve, directly or indirectly, each others life cycles. London : Published for thAldus Books, c1969. c1969. 1970 Text 188 p. : eng Nature and science library