Unnatural Exposure: Scarpetta (Book 8) (Kay Scarpetta) by Patricia Cornwell in Kindle Form for two bucks.

The Covenant: A Novel by Mischener (South African historical novel) also 2.99 in Kindle form.

Also very cheap in Kindle right now, and apropos with Hurricane season coming up: Storm World: Hurricanes, Politics, and the Battle Over Global Warming