Childs, Mary Exploring science years 1-2 book 2 Mary Childs and Jacqui Tyrer - Cheltenham : Stanley Thornes , c1992. - 41 p. : ill. (chiefly col.) ; - Q science Exploring book 2 . ISBN: 0748706127 9780748706129 Subjects--Topical Terms: exploration science Dewey Class. No.: 500