Murderous Maths
$4.19 - $5.49
Everyday Math Tricks for Grown-Ups: Shortcuts and Simple Solutions for the Not-So-Math Minded
$7.69
Murderous Maths: The Essential Arithmetricks
$5.19 - $5.39
The Runaway Pea
$9.39 - $15.74
Numbers, the Key to the Universe
$4.89 - $5.59
Desperate Measures
$5.09 - $6.09
The Mean and Vulgar Bits
$5.19 - $6.29
The Phantom X
$4.69 - $5.39
Do You Feel Lucky? The Secrets of Probability (Murderous Maths)
$5.99 - $6.79
Isaac Newton and His Apple
$5.69 - $6.69
The Perfect Sausage and Other Fundamental Formulas (Murderous Maths)
$5.39 - $6.49
Vicious Circles and Other Savage Shapes
$6.09 - $6.19
Codes (Murderous Maths)
$8.49 - $43.39
More Murderous Maths
$5.19
The Fiendish Angletron
$36.09 - $63.79
The Secret of Sums (Murderous Maths)
$6.29
Guaranteed to Mash Your Mind
$4.39
The Runaway Pea Washed Away
$10.99 - $14.94
Kakuro And Other Fun Number Puzzles
$5.69
Codes: How to Make Them and Break Them!
$3.99 - $4.19
The Brain-Bending Basics (Murderous Maths)
$13.05
Attack of Killer Puzzles
$7.59 - $9.69
Urgum the Axeman
$8.69 - $13.89
Harry Houdini (The First Names Series)
$4.79 - $9.00
Agatha Parrot and the Odd Street School Ghost
$5.29 - $9.70
The Runaway Pea Left Behind
Out of Stock
The Magic of Pants
$6.99
The Phantom of the Opera: Play (Acting Edition)
$22.90
The Gobsmacking Galaxy
$5.39 - $6.49
The Mystery of the Magic Toy (Poskitt's Puzzles)
$20.59