000 00537nam a2200145 a 4500
005 20200204062246.0
008 110217s19uu xx 00 eng d
100 1 0 _aVecchione, Glen.
245 1 0 _aChallenging math puzzle. /
_cGlen Vecchione illustrated by Glen Vecchione & Nina Zottoli.
260 0 _aNew Delhi :
_bGoodwill Publishing House,
_c[s.d]
300 _a96p. : ill
500 _aIncludes index
650 _aMathematical recreations
852 _5National Book Store
_7OLOPSC
999 _c66154
_d66154