Broach, Elise (2005). Shakespeare's Secret. 250 pages. (Grades 4-7).
Sixth-grader Hero and her family have moved into the "Murphy diamond" house, which is what the locals call it, ever since a 17 carat diamond went missing. With the help of her neighbor, Mrs. Roth, and Danny an eighth-grade boy, Hero attempts to find the diamond and along the way, uncovers important historical information.