000 00350nam a2200145Ia 4500
020 _a1405215615
082 _b4490
_a510
100 _a"David Kirkby"
245 0 _aMaths Skills
260 _bLadybird Books Ltd,Egmont Books Limited
_aLondon
_c2005
300 _a32
944 _cTR
999 _c682831
_d682831