Sending book as a gift

[cskiles]

I have used MP to make my wedding albums and am giving them to the parents/grandparents as Christmas gifts. I made seperate ones and customized them for each couple. I know I have to order them seperately but if I order them and have them sent directly to their homes, will they get a "receipt" along with the book? I don't want them to know what I paid for it....that's rather tacky:)
Thanks!