000 00542nam a2200181 a 4500
005 20140412111250.0
008 000901s19uu xx 00 eng d
020 _a0-8136-7301-1
050 _aBB 552
_bW34 1993
100 _aWalker, Colin
245 _aWhat our earth is made of /
_cwritten by Colin Walker ; illustrated by Murray Reece.
250 _a2nd Edition
260 _aCelveland, Ohio :
_bModern Curriculum Press,
_c1993.
300 _a17 p. ; ill.
440 _aConcept Science
650 _aSciences
_xEarth
999 _c103105
_d103105