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Kjartan Poskitt
Author · 23 books
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Awesome Arithmetricks
Kjartan Poskitt
Codes How to Make Them and Break Them
Kjartan Poskitt
Desperate Measures
Kjartan Poskitt
Do You Feel Lucky? The Secrets of Probability
Kjartan Poskitt
Fractions and Averages The Mean and Vulgar Bits
Kjartan Poskitt
Isaac Newton and His Apple
Kjartan Poskitt
Kakuro and Other Fun Number Puzzles
Kjartan Poskitt
Mathe - voll logisch!
Kjartan Poskitt
More Murderous Maths
Kjartan Poskitt
Murderous Maths
Kjartan Poskitt
Kjartan Poskitt | Author profile | bookie