00446    a2200169   4500001000700000020001800007041000800025100002200033250001000055300001000065490003700075830003700112856002400149040002500173245004200198260003600240110689  a9781484605981  apor  aSteffora, Tracey.  a. ed.  a24 p.  aAcorn (Heinemann Library (Firm))  aAcorn (Heinemann Library (Firm))  u000028/000028a0.jpg  aBR-BrIDEAcBR-BrIDEA10aMath at the airportc Tracey Steffora  a[S.l.]bHeinemann Libraryc2013