000 00363nam a2200157Ia 4500
020 _a9780435169732
040 _cPK-LaCSN
082 _a510
_b"GECKO"
100 _a"GECKO"
245 0 _aNumbers tto 100, then 1000
260 _bHeinemann Educations
_aHarlow
300 _a22
942 _cTB
999 _c847807
_d847784