000 00336cam a2200133 4500
020 _a0746004281 (pbk.)
100 1 _aTAHTA Sophy
245 0 _aWhy is night dark ?
260 _aLondon:
_bUsborne Publishing Ltd,
_c1990
300 _a24p.
440 _aUsborne starting point science
945 _i0010966
_rY
_sY
945 _i0010967
_rY
_sY
999 _c46224
_d46224