000 00442nam a2200181Ia 4500
008 160808s1999 xx 000 0 eng d
020 _a0713652721
041 _aeng
084 _aB13
_2CC
100 _aGriffith, Rose
245 _aNumber puzzles /
_cby Rose Griffith
260 _aLondon :
_bA & C Black,
_c1999.
490 _aSimple Maths
653 _aMathematics
653 _aNumber Theory
653 _aPuzzles
999 _c208278
_d208278