Rao, Indumati creator Rao, C.N.R. New Delhi National Book Trust, India 2006 4 pts. (84p.; viii, 148p.; xi, 167p.; vii, 118p.) col. photos 24 cm (pbk) pt.1 Universe, solar system, earth (84p.) - pt.2 The world of physics and energy (viii, 148p.) - pt.3 The world of chemistry, molecules, materials, air, water (xi, 167p.) - pt.4 Biology and life (vii, 118p.) by Indumati Rao [and] C.N.R. Rao This book published in 4 parts 500 8123747748 (pt.1) 8123747756 (pt.2) 8123747764 (pt.3) 8123747772 (pt.4) ENG-86911-14 DBAD / PUB