Island of Lost Souls

Twenty-two years after the events of Jurassic Park, Isla Nublar now features a fully functioning dinosaur theme park, Jurassic World, as originally envisioned by John Hammond.

A group of friends who discover a drug called Ghost, which allows them to see the dead. But Ghost has unfathomable side effects, and as the book jacket says, once you take it, you can never go back.

In a mid-19th century Essex country house, a young governess for two children becomes convinced that the house and grounds are haunted by ghosts and that the children are being possessed.

Commander Pirx leads a crew of humans and androids on a rescue mission, unaware which are which. His secret task is determining if androids are superior. The mission turns perilous when sabotaged.

A mysterious millionaire buys an ad agency and begins to replace its employees with his own people, who don't appear to be advertising types at all...