O'Neill, Catherine Grandes Misterios de Nuestro Mundo / Catherine O'Neill - Charlotte, N.C. : National Geographic Society , 1993 , c1983. - 93 p. 2 Ejems. : il. ISBN: 0-915741-47-4 Subjects--Topical Terms: Misterios----Literatura juvenil Dewey Class. No.: JUV 001.94 O'NE