Dead Man's Bones by Susan Wittig Albert (2005, Hardcover)

Hard upon the heels of the Mistletoe Man, China's son discoverers a skeleton in the cave where Aunt Velda discovered the gold. But this skeleton turns out not to be and Indian artifact, but a man dressed in jeans! It appears he was caving and was hit by a rock fall, only there are no rocks of that kind in the caves formed in the Texas Hill Country karst. After a local good ole guy and handyman is discovered breaking into the estate of two elderly rich women who have just attended the elders play written and produced in the newly renovated stable donated by theirs truly, the identification of the skeleton becomes more and more critical to solving the mystery and the mysterious death of the younger sister who broke a hip in the break-in and who was about to spill her guts. Great facts on herbals used to treat osteoporosis and facts on the disease itself and it's relationship to fractures. It's truly a book about bones!