Deadwater by Sarah Stegall
Series: Phantom Partner Mysteries, Book 2.
Approx. 76,660 words.
Published on April 14, 2013 by
The San Francisco police think Allison Farley drowned during the Alcatraz Triathlon. Her boyfriend does not agree, and hires ace private eye Claire Turnbull to find out what happened. What he doesn't know is that Claire has a partner: the ghost of Old West lawman Wyatt Earp. They dig into a case that gets more tangled with every clue. The final secret may be hidden on Alcatraz Island...