Should I continue?

Hello there!

I've read one book each of Neil Gaiman and Gregory Maguire: Coraline, for Neil, and Wicked, for Gregory. I absolutely loved both, Wicked more than Coraline, but nevertheless. I'm currentley in the process of reading The Graveyard book. I am really enjoying it, and was wondering which book/s of his I should read next. I saw and loved Stardust, and don't really want to read the book if it's really similar to the movie.

Now on the other hand...I'm about forty pages into Son of a Witch, and am honestly struggling. Does it pick up? And should I attempt any of Gregory's other books?

Also, could you reccomend some authors similar to these two? Thanks!