Kjartan Websites

- murderousmaths.co.uk

Murderous Maths: details of the books and characters, tricks, hints, activities, strange calculators and games to play on your computer!

894,897 $ 1,440.00

- kjartan.co.uk

Kjartan's books (including the Murderous Maths series), plays, musicals and hints to the Killer Puzzles.

11,481,821 $ 8.95

- flexomania.com

How to make flexagons.

Not Applicable $ 8.95