Do you do Su Doku? Whether you do it on the bus or want to do it in the bath, 'Murderous Maths' has a puzzle for every occasion. And with four difficulty levels ranging from Dead Simple to get you started to Diabolical to finish you off, we guarantee you'll be utterly addicted. Take the Su Doku test drive and join your favourite 'Murderous Maths' characters for tips and puzzle-solving tricks along the way. Find out why the cunning custard puzzle could save Blade and the gang from a sticky situation and why Professor Fiendish is in a particularly foul mood. The super Su Doku-solving Pure Mathematicians are sure to have the answers.