The Paradise Key(Harvey Bennett‪)‬

Amusement parks are supposed to be about fun and entertainment . . .
. . . not death.
A marine biology and science-themed park is scheduled to open later this year. But there seems to be something sinister going on beneath the surface.
OceanTech's Paradisum is a cutting-edge operation, and they are hoping to capitalize on the growing trend of education-based vacation destinations. The park's CEO, Adrian Crawford, has spent his entire professional life working toward this goal, and he is excited to show it to the world.
Harvey Bennett and his team think they were sent to Paradisum to investigate the security protocols at the new park.
But what they find there terrifies them . . .