000 00431cam a2200145 4500
020 _a0860204359 (pbk.)
100 1 _aTYLER Jenny
245 _aNumber puzzles /
_cJenny Tyler ; illustrated and designed by Graham Round.
260 _aLondon :
_bUsborne ,
_c1980
300 _a32 p. : col. ill.
400 _aUsborne brainbenders
650 _aPUZZLES
_xJUVENILE LITERATURE
945 _i38956-1001
_rY
_sY
945 _i38956-1002
_rY
_sY
999 _c23817
_d23817