Internet shop - selling TKL books

There is a new interface for the Internet Shop, selling TKL books. It explains how to order the books. Try it here.

PROMOTION. I wish to give a promotion discount of 15% on purchase of my books until National Day, 9 August 2009. To qualify for this discount, you have to enter the promotion code BLOG.

The available items are (prices are before discount):

TKL Intelligence Quiz vol 1 and 2 $7.90

TKL Sudoku Vol 1 (challenging puzzles) : $7.90

TKL Shape Quiz: $7.90