As always, this is probably US Amazon only, and as always [insert eyeroll here].
US price: $1.99
I haven't read this one, but it's been on my wish list with all of Arnold's books because she seems to focus on the odd details and subjects that I really like.
Previous book of hers that I went on and on over:
(I went totally overboard with quotes on that one. I now refer to it when I need an example of what I mean by "sometimes my reviews go way too long.")