000 00527nam a2200169 a 4500
005 20140412111304.0
008 030414s19uu xx 00 eng d
020 _a0-7324-0501-7
050 _aM 559
_bL96 1986
100 _aLucas, Ernest & Hazel
245 _aOur world :
_bhow? what? when? why? /
_cErnest and Hazel Lucas.
260 _aIllinois :
_bLion Publishing,
_c1986.
300 _a20 p. ; ill.
520 _aLife on planet earth: past, present and future.
650 _aEarth--Juvenile literature
999 _c103586
_d103586