Michael Crichton’s “Sphere” is the perfect Halloween entertainment that encompasses all qualities of a good scary thriller. Following the discovery of a spaceship in the depths of the ocean, scientists find their conception of extraterrestrial life is unlike anything they imagined. According to a Goodreads contributor Trudi, “a thriller should thrill. It should keep you turning the pages long into the night, white-knuckled and on the edge of your seat. Horror should unsettle and disturb you, com