000			00348nam a22001457a 4500
999			_c8600 _d8600
020			_a0333178963
082			_a500
100			_aDOBSON, K.
245			_aThis is science 2
260			_aLondon : _bMacmillan Education , _c1979.
300			_aii , 130 p . : _bill . ; picture ; 25 cm.
500			_aincludes index
650			_ascience
942			_cBK