--am uk  eng
++000    00000nam a2200000 a 4500
++020    |a9781407107158
++090    |a652 POS
++100 1  |aPoskitt, Kjartan
++245 14 |aThe Secret Life of Codes : It's Maths with the Laughs Added in! /|cKjartan Poskitt ; ill. by Philip Reeve
++250    |a1st ed.
++260    |aLondon:|bScholastic,|c2010.
++300    |a157 p.:|bill.;|c20 cm.
++440    |aMurderous Maths
++650    |aCiphers Juvenile Literature
++650    |aCryptography Juvenile Literature
++700    |aReeve, Philip