01061cam a2200289 4500 102656658 TxAuBib 20120508120000.0 920416s1992||||||||||||||||||||||||eng|u 92013166 9780876636381 $15.95 0876636385 $15.95 (OCoLC)25872088 TxAuBib Friend, Mari. Discovering nature's secrets / Mari Friend. New York : Universe, 1992. 77 p. : ill. (some col.) ; 28 cm. HARDBACK. Includes index. A collection of nature projects and activities, arranged by the seasons, including raising butterflies, setting up an aquarium, and observing life cycles of frogs and other aquatic animals. 20120508. Nature study Juvenile literature. Natural history Experiments. Natural history Study and teaching Juvenile literature. TXMOO