Murderous Maths
$5.09 - $6.69
Murderous Maths: The Essential Arithmetricks
$6.09 - $6.39
Everyday Math Tricks for Grown-Ups: Shortcuts and Simple Solutions for the Not-So-Math Minded
$5.09 - $5.89
The Runaway Pea
$12.79 - $15.98
Do You Feel Lucky? The Secrets of Probability (Murderous Maths)
$5.79 - $5.99
Desperate Measures
$5.19 - $6.19
Numbers, the Key to the Universe
$5.19 - $6.39
The Phantom X
$6.19 - $6.69
The Perfect Sausage and Other Fundamental Formulas (Murderous Maths)
$5.29 - $5.69
More Murderous Maths
$6.69
Isaac Newton and His Apple
$4.99 - $5.29
Vicious Circles and Other Savage Shapes
$5.39 - $8.09
Codes (Murderous Maths)
$16.79
Guaranteed to Mash Your Mind
$4.89 - $5.79
The Runaway Pea Washed Away
$9.89 - $15.16
The Brain-Bending Basics (Murderous Maths)
$13.51
The Secret of Sums (Murderous Maths)
$7.59
Easy Questions, Evil Answers
$4.79 - $5.89
Codes: How to Make Them and Break Them!
$5.39
Harry Houdini (The First Names Series)
$6.19 - $9.45
Attack of Killer Puzzles
$5.59
The Runaway Pea Left Behind
$13.09 - $14.97
Urgum the Axeman
$6.69
The Gobsmacking Galaxy
$5.29
Agatha Parrot and the Odd Street School Ghost
$4.49 - $10.12
The Secrets of Sums (Murderous Maths)
$13.51
Brief History of Pants
$5.19 - $7.59
The Phantom of the Opera: Play (Acting Edition)
$22.77
Mega Math Maze: A Multiplication Adventure
$9.99
Urgum & the Seat of Flames
$8.79