The series was enormously popular, publishing millions of copies and ten initial volumes between the years of 1991 and 1999.

Reaching its peak popularity in the mid-1990s, this was Price Stern Sloan's answer to Scary Stories to Tell in the Dark.

[1][2][3] A handful of stories from the first and fourth books in the series have since been released on audiobook in cassette form.

Most stories featured young, troubled protagonists who found themselves facing a paranormal situation or antagonist against their better judgment.

Most stories would feature a twist ending, leaving the fate of the main character dead, trapped or uncertain.