I finally made a SNB Alien Illusion Scarf recently, as I've always wanted to make one ever since I bought the book eons ago. My version is knitted in 'raspberry-chocolate' the yarn being that of the more reasonable Patons Class Wool that I had in stash. I did only commit to 4 out of the 6 alien heads, but the length was to my satifactory AND I literally just had enough yarn (well, I actually ran out of pink on the very last strand for the very LAST fringe! Weird!). I had to steam the edges to keep it from rolling, but fear after it's been worn it may be inclined to curl again (anyone else have this problem?).
I really enjoyed knitting this pattern. I think it has to do with graphs....I never get board when a chart that I must pay attention to, is involved!
I worked on this for four nights straight, so I guess for me: 4 nights = 4 aliens, or 1 alien per night. Or...um...whatever.