
Murderous Maths
$4.89 - $6.29

Murderous Maths: The Essential Arithmetricks
$6.99 - $7.29

Everyday Math Tricks for Grown-Ups: Shortcuts and Simple Solutions for the Not-So-Math Minded
$7.79

The Runaway Pea
$12.79 - $15.98

Do You Feel Lucky? The Secrets of Probability (Murderous Maths)
$5.49 - $6.19

Desperate Measures
$6.09 - $6.99

Numbers, the Key to the Universe
$5.39 - $6.19

The Phantom X
$5.79 - $6.79

The Perfect Sausage and Other Fundamental Formulas (Murderous Maths)
$5.69

Vicious Circles and Other Savage Shapes
$5.19 - $6.59

More Murderous Maths
$7.69

The Fiendish Angletron
$31.89

Isaac Newton and His Apple
$6.29

Codes (Murderous Maths)
$10.99 - $15.39

Guaranteed to Mash Your Mind
$5.29 - $5.99

The Runaway Pea Washed Away
$9.49 - $15.16

The Brain-Bending Basics (Murderous Maths)
Out of Stock

Easy Questions, Evil Answers
$3.89 - $5.19

Codes: How to Make Them and Break Them!
$5.49 - $6.29

The Secret of Sums (Murderous Maths)
$6.69 - $7.69

Everyday Maths for Grown-Ups: Getting to Grips with the Basics
$9.79 - $11.69

Attack of Killer Puzzles
$3.79 - $8.59

Harry Houdini (The First Names Series)
$6.69 - $9.45

Mega Math Maze: A Multiplication Adventure
$9.99

The Runaway Pea Left Behind
$15.12

Agatha Parrot and the Odd Street School Ghost
$4.59 - $10.12

The Secrets of Sums (Murderous Maths)
$11.59

Decode the Deadliest Joke in the Universe
$23.19

The Phantom of the Opera: Play (Acting Edition)
$22.77

Titus O'Skinty's Gruesome Game Show
$8.59