When a mysterious organism starts killing off the oceans, can an inexperienced scientist stop the deadly red tide from spreading? Diane Nelson achieved her dream: a Ph.D. graduate delighting in the chance to work for a marine biologist determined to solve why algae are destroying all life in and above the sea. But when a shooting incident in her new lab leaves one man dead, the unnerved woman fears something more sinister could be at play in this riveting eco-thriller. 4.5 stars, 92 ratings. From $0.99. Free via KU. SHOP NOW /