Murderous Maths: Fractions And Averages: The Mean And Vulgar Bits

Illustrated by Daniel Postgate.

Find out how fractions can save you from the toxic mutant fish of Fastbuck, what makes Pongo McWhiffy a mathematical freak, and travel to Planet Mean to discover how averages can be absolutely revolting. Meanwhile, Blade Boccelli and his gang cause an enormous explosion when they start messing with maths.