00870cam a2200229 4500 547138156 TxAuBib 20100322120000.0 011025s1962||||||||||||||||||||||||eng|u 62013888 TxAuBib Hynek, J. Allen, 1910-, (Joseph Allen.) Challenge of the universe / Student activities by Norman D. Anderson. Illustrated by Helmut Wimmer. Advisory group: research scientist, Nancy G. Roman; science educator, John S. Richardson; science teacher, Norman D. Anderson. New York : Scholastic Book Services, [1962] 143 p : illus ; 20 cm. Vistas of science; ; 4 Includes bibliography. 20100322. Astronomy. Vistas of science; ; 4. TXKDM