Murderous maths
Murderous maths: awesome arithmetricks Murderous maths: desperate measures Murderous maths: do you feel lucky? Murderous maths: easy questions, evil answers Murderous maths: guaranteed to bend your brain Murderous maths: guaranteed to mash your mind Murderous maths: savage shapes Murderous maths: the key to the universe Murderous maths: the perfect sausage Murderous maths: the phantom x