Hitori, Hashi, Slitherlink and Mosaic
It appears we are a nation of puzzle obsessives after the phenomenal response to Su Doku. For those Su Doku fiends who are eager for variety, here is a collection of four of the most popular Japanese Logic Puzzles - Hitori, Hashi, Slitherlink, and Mosaic. Guaranteed to strain your brain for hours, it offers 200 new puzzles arranged according to difficulty.
The quantities are as follows -75 Hashi, 75 Slitherlink, 30 Hitori and 20 Mosaic. Includes hints and tips on how to solve them. As with Su Doku, it is all about logic and reasoning, not mathematical genius.