"Murderous Maths" has been given a gorgeous new cover look.

For readers traumatised by triangles and anxious about angles, the next in the unchallenged "Murderous Maths" series, the Fiendish Angletron unveils the tools to solve even the most testing of trigonomogeometric tasks.

Here to help are some strangely familiar superheroes Supersin, Cosgirl and Tandog.

Using a host of hilarious characters, Kjartan Poskitt presents all the tricks, tips and shortcuts to maths they don't teach at school.