Sean S. Cunningham

Is Emma a voyeur vampire who can turn into a bat? Apparently, and she leaves many smiling faces on her victims after going down on them during a full moon. When they're not having sex ...

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

Camp counselors are stalked and murdered by an unknown assailant while trying to reopen a summer camp that was the site of a child's drowning.