Of Songs and Silence was a great conclusion to the series. I only wish Melody had more page time in the series overall, as she is a wonderful character. Learning about the undersea world was a lot of fun, and the author used some traditional aspects and mixed in some new ones to make it unique. There were some details that felt left out that prevented me from really connecting to the rebels and their characters - they seemed very one dimensional. Learning the history of Madame was fascinating though, and don't be surprised if you find yourself feeling a little bad for her - she becomes more of a sympathetic villain instead of just a generic bad guy.