Q: Terry, what the heck was going on at the end of Strata? I've just 
re-read the ending *again* and come up with another possible explanation 
which takes the total number into double figures. 
 
A: See? Other people would just have given you one or two. Amazing value, I 
think. 
        -- (Terry Pratchett & Somebody On The Net, alt.fan.pratchett)