For 9-12 year olds, an alternative guide to maths which introduces One Finger Jimmy, Chainsaw Charlie and their ghastly gangster friends, who are living proof that maths really can be murderous. Among the items featured is how to rescue someone in deadly peril, and how not to shoot yourself with a cannon.



Even if you didn't know that maths could be murderous, read on. It's guaranteed to have no nasty exercises and boring sums! Yes, One Finger Jimmy and the rest of the gang are back to show you just how catastrophically dangerous maths can be.