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There isn't but if your friend is a Gold Key member, they would see that the title they are posting is on your wish list and can choose to post it directly to you.
If you 're a gold key member- when you Post a Wish LIst book you will do so normally from the Post Books page, and the screen will show you if any friends are wishing for the book. (The Friends will be listed in order in which they are in the Wish List for the book.) you can then choose to post it to one of them or to the general membership.