Series
24 books in this series.
Murderous Maths
Kjartan Poskitt
More Murderous Maths
The Essential Arithmetricks
The Mean and Vulgar Bits
Desperate Measures
Do You Feel Lucky?
Vicious Circles And Other Savage Shapes
Numbers, the Key to the Universe
The Phantom X
The Fiendish Angletron
The Perfect Sausage and Other Fundamental Formulas
Codes: How to Make Them and Break Them
The Murderous Maths of Everything