Deep Betrayal

http://hip1.sjvls.org/ipac20/ipac.jsp?session=138JA93980C70.41882&menu=search&aspect=subtab255&npp=20&ipp=20&spp=100&profile=thq&ri=&term=&index=.GW&x=0&y=0&aspect=subtab255&term=Deep+Betrayal&index=.TW&term=Brown&index=.AW&term=&index=.SW&term=&index=.NW&term=&index=.SE&term=&index=.STW&term=&index=.EW&sort=3100014Deep Betrayal by Anne Greenwood Brown

As dead bodies start washing ashore, Lily and Calder realize someone's on a killing spree--and they fear it's either Calder's mermaid sisters or Lily's father.