
Murderous Maths
$4.89 - $6.49

Murderous Maths: The Essential Arithmetricks
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Everyday Math Tricks for Grown-Ups: Shortcuts and Simple Solutions for the Not-So-Math Minded
$6.39 - $7.29

The Runaway Pea
$12.79 - $15.98

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

Desperate Measures
$6.19 - $7.09

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

The Phantom X
$6.09 - $6.79

The Perfect Sausage and Other Fundamental Formulas (Murderous Maths)
$5.49

Vicious Circles and Other Savage Shapes
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More Murderous Maths
$8.09

The Fiendish Angletron
$31.89

Isaac Newton and His Apple
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Codes (Murderous Maths)
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Guaranteed to Mash Your Mind
$5.39

The Runaway Pea Washed Away
$10.59 - $15.16

The Brain-Bending Basics (Murderous Maths)
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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)
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Everyday Maths for Grown-Ups: Getting to Grips with the Basics
$9.79 - $11.69

The Murderous Maths of Everything
$13.99

Attack of Killer Puzzles
$3.79 - $9.69

Harry Houdini (The First Names Series)
$6.49 - $9.45

Mega Math Maze: A Multiplication Adventure
$9.99

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

The Secrets of Sums (Murderous Maths)
$11.59

The Gobsmacking Galaxy
$5.69

Agatha Parrot and the Thirteenth Chicken
$9.59 - $10.39

Decode the Deadliest Joke in the Universe
$23.19