Murderous Maths has been given a gorgeous new cover look! Using a host of hilarious characters, Kjartan Poskitt presents all the tricks, tips and shortcuts to algebra they don't teach at school. Readers must pit their wits against Professor Fiendish in the Foul Formula Challenge and Chainsaw Charlie and his gruesome gang discover that even the simplest maths can be murderous. But look no further: The Phantom is here to banish algebraic agony - for good!