Murderous Maths
$5.39 - $9.09
Murderous Maths: The Essential Arithmetricks
$6.29 - $7.49
Everyday Math Tricks for Grown-Ups: Shortcuts and Simple Solutions for the Not-So-Math Minded
$7.49 - $8.89
The Mean and Vulgar Bits
$6.89 - $14.59
The Runaway Pea
$5.89 - $16.75
Do You Feel Lucky? The Secrets of Probability (Murderous Maths)
$6.39
Desperate Measures
$7.29 - $7.69
The Runaway Pea Washed Away
$15.01 - $15.06
The Phantom X
$6.69 - $7.39
The Perfect Sausage and Other Fundamental Formulas (Murderous Maths)
$6.49 - $12.09
Codes (Murderous Maths)
$18.89
Vicious Circles and Other Savage Shapes
$6.59 - $7.49
Numbers, the Key to the Universe
$6.09
Guaranteed to Mash Your Mind
$6.69
Easy Questions, Evil Answers
$5.49 - $5.79
Isaac Newton and His Apple
$6.39 - $6.79
The Brain-Bending Basics (Murderous Maths)
Out of Stock
The Fiendish Angletron
$37.39 - $50.69
Attack of Killer Puzzles
$5.99 - $11.09
Codes: How to Make Them and Break Them!
$5.99 - $6.79
The Secret of Sums (Murderous Maths)
$12.89
Mega Math Maze: A Multiplication Adventure
$9.99
Everyday Maths for Grown-Ups: Getting to Grips with the Basics
$10.09
Agatha Parrot and the Thirteenth Chicken
$7.69 - $7.99
Harry Houdini (The First Names Series)
$4.89 - $6.99
Kakuro And Other Fun Number Puzzles
$7.99
Agatha Parrot and the Odd Street School Ghost
$4.79 - $10.26
Agatha Parrot and the Heart of Mud
$6.09 - $11.23
The Gobsmacking Galaxy
$6.99 - $7.49
Professor Fiendish's Book of Diabolical Brain-benders
$10.69
