Onthegomom - Gosh, you are so welcome!! I can't imagine going through life without having read at least a bit of Calvin. Don't be surprised if almost everyone on this board DOES have these books!! And don't be surprised if your kiddo ends up sleeping with the darn things....my ds9 has several, and some are so worn out we'll be getting him a couple new ones.
(Dh and I love them, too, lol!)