Stardust novel's movie tie-in version

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I watched the movie Stardust 2 days ago and I like it a lot. I'm thinking of buying the book. I already checked the bookstores here but I haven't bought it yet. Just now, I'm searching for the book on the web, and found out that there's a movie tie-in edition. Would there be a difference with the original version of the novel? Because the the one available in the bookstore here is the movie tie-in edition. Whenever I buy books, as much as possible I don't buy the movie version, even those wherein the book cover is from the movie.