David Christiana Knihy

The unusual buttons from a young girl's favorite coat provide magical assistance to a giant, a swan, some sailors, a wizard, some rabbits, and an elf.

When twelve-toed orphan Lucy Wickwright is brought to Castle Cant to be serving girl to the Baron's daughter, the Adorable & Honorable Pauline, she becomes involved with revolutionaries and uncovers surprising palace intrigues.