Storm Child — Susan Netter

Book #17 of the Twilight series; 150 numbered pages. "Twilight: Where Darkness Begins" is an out of print teen horror series published between 1982 and 1987. There are 26 stand-alone books in the series written by various authors. The series was published by Dell and is similar to the Dark Forces teen horror series published by Bantam Books. Each book involves the main character(s) battling supernatural forces of evil.