Kill River Series by Cameron Roubique

The thought they had the whole water park to themselves. They were wrong...In the summer of 1983, thirteen-year-old Cyndi and her three new-found friends Stacy, Zack, and Brad decide to sneak away from their summer camp in the middle of the night by rafting down the nearby rivers. After spending a tense night lost in the woods, the four teenagers stumble into a mysterious water park that appears to be completely empty... moreThe thought they had the whole water park to themselves. They were wrong...In the summer of 1983, thirteen-year-old Cyndi and her three new-found friends Stacy, Zack, and Brad decide to sneak away from their summer camp in the middle of the night by rafting down the nearby rivers. After spending a tense night lost in the woods, the four teenagers stumble into a mysterious water park that appears to be completely empty.At first, they are thrilled to have the rides all to themselves, at least until one of them disappears. Soon they discover that they are trapped in the park, and a dark figure is stalking them from the shadows, picking them off one by one. Once night falls, Cyndi will have to fight to escape the park, a masked maniac, and a living nightmare.Kill River is a wild water park ride filled with blood, gore, and '80s nostalgia. Slasher fans rejoice, old-school horror is back! less

It’s been a year since Cyndi went into the empty water park with her friends and almost got killed by a masked maniac. One full year since she learned how to be strong, how to be a survivor. Now it’s 1984, and summertime has come around again. Cyndi has a boyfriend, a new group of friends, and a part-time summer job. She has every reason to be happy and forget about the past.But she can’t forget. Her nightmares about the water park and her dead friends are getting worse... moreIt’s been a year since Cyndi went into the empty water park with her friends and almost got killed by a masked maniac. One full year since she learned how to be strong, how to be a survivor. Now it’s 1984, and summertime has come around again. Cyndi has a boyfriend, a new group of friends, and a part-time summer job. She has every reason to be happy and forget about the past.But she can’t forget. Her nightmares about the water park and her dead friends are getting worse. Wherever she goes, she keeps thinking she sees the killer from last summer watching her from the shadows. Worst of all, there’s a new water park opening up in town, and it looks eerily similar to the one from last year. Opening day is just around the corner, and Cyndi is starting to wonder if her water park nightmare is really over, or if it’s just beginning. less