Spoilers

I definitly prefered Wee Free Men to both Wintersmith and Hat Full of Sky mainly because Wee Free Men focused more on the Pictsies than either of the others. There is Wee Free Men at a library witin walking distance of my house. I read it when I was nine and i was really freaked out by all the nightmares in it. I think the idea of dromes was a stroke of genius. Hat Full of Sky was good but the actual threat wasn't much. the bit in the black desert was very interesting. But as Rincewind said it was more a threat of a threat instead of in WFM were the threat was extremely real.

Also has anyone noticed that there is no Tiffany entry in the discworld companion yet there is quite a long one for Miss Tick.