"Seventeen-year-old Rose Levenson must decide whether or not she wants to take the test to find out if she has Huntington's disease, the degenerative disease that is slowly killing her mother"--

"Some people won't believe any of this story. You might be one of them. But every single word is true. Tony DiMarco does catch a murderer, solve a mystery, and find a treasure--all in the first few days after he moves, unexpectedly, to 13 Hangmen's Court in Boston. The fact that he also turns thirteen at the same time is not a coincidence." So begins the story of Tony and his friends--five 13-year-old boys, all of whom are living in the same house...