Sirens' Song (The ENIGMA Directive Book 2)
by J. Kent Holloway
Dr. Obadiah "Jack" Jackson, the smart-mouth cryptozoologist with a penchant for trouble and his team find themselves in way over their heads when they travel to the Greek islands to investigate the sudden appearance of strange aquatic creatures the locals are calling mermaids. Hounded by a cult that worships the animals and hunted by hit-men, Jack
races to unravel the mystery of the Tritons.