Murderous Maths
$5.09 - $6.69
Murderous Maths: The Essential Arithmetricks
$5.19 - $5.99
Everyday Math Tricks for Grown-Ups: Shortcuts and Simple Solutions for the Not-So-Math Minded
$5.59 - $6.39
The Runaway Pea
$12.79 - $15.98
Do You Feel Lucky? The Secrets of Probability (Murderous Maths)
$5.49 - $6.59
Desperate Measures
$5.19 - $6.19
Numbers, the Key to the Universe
$5.09 - $6.09
The Phantom X
$6.19 - $6.69
The Perfect Sausage and Other Fundamental Formulas (Murderous Maths)
$5.09 - $5.89
More Murderous Maths
$6.69
Isaac Newton and His Apple
$5.09 - $5.29
Vicious Circles and Other Savage Shapes
$5.39 - $8.69
Codes (Murderous Maths)
$17.09
Guaranteed to Mash Your Mind
$5.29 - $6.29
The Runaway Pea Washed Away
$10.29 - $15.16
The Brain-Bending Basics (Murderous Maths)
$13.51
Easy Questions, Evil Answers
$4.99 - $6.19
Codes: How to Make Them and Break Them!
$5.39
Harry Houdini (The First Names Series)
$6.19 - $9.45
Attack of Killer Puzzles
$5.79
The Runaway Pea Left Behind
$13.09 - $14.97
Urgum the Axeman
$7.19
The Gobsmacking Galaxy
$5.19
Agatha Parrot and the Odd Street School Ghost
$5.09 - $10.12
Mega Math Maze: A Multiplication Adventure
$9.99
Brief History of Pants
$5.19 - $7.59
The Phantom of the Opera: Play (Acting Edition)
$22.77
The Secrets of Sums (Murderous Maths)
$13.51
Agatha Parrot and the Heart of Mud
$5.19 - $9.67
Urgum & the Seat of Flames
$8.79