Music lovers and mystery lovers will love this book, since it is a mystery involving music.
Robert Schumann hears a sharp A major. Without giving anything away, what he hears is real.
We get a complext plot involving Schumann, his wife Clara and her father, along with the major piano tuner of the day and an obnoxious music critic.
We also get little sub plots involving the interaction of Schumann with Brahms and Liszt.
In short we get a real mystery set in a real historical context, involving real personalities.
And cenral to all this is Inspector Hermann Preiss, who has to make sense of all the goings on.
For people who like historiacl fiction, for people who love music, and for mystery lovers, this is one fine read.