000 01828nam a2200181 4500
010 _a2003056897
020 _a9780618251414
024 _a53477491
050 _aQA20.3
082 _a510.79
100 1 _aSteve Olson
245 1 _aCount Down
260 _bHoughton Mifflin Harcourt
300 _a256 pages
520 _a
650 _aMathematics
999 _c12103
_d12103