Thomas White 
The SIren’s Scream [EPUB ebook] 

The Thornton Mansion with the giant tide pool in the backyard has terrorized Santa Cruz for over a century. Throughout the years there have been dire and mysterious deaths connected with it. It is now Darcy Wainwrights turn to face the perils of the mansion. The mansion becomes her first sale as a novice realtor and she becomes intricately and inevitably connected to the house and the pool. It is the pool that beckons her, and it is the pool that would decide if she lives or dies. The Siren’s Scream.