Wait Till Helen Comes is a 1986 novel by American author Mary Downing Hahn. It was first published on January 1, 1986 through HarperCollins and has since gone through several reprints. The book won a 1989 Young Reader's Choice Award and follows a young girl that must deal with supernatural events that surround her. …
Deep and Dark and Dangerous is a 2007 Mystery Horror novel written by Mary Downing Hahn. It was first published on May 21, 2007 through Clarion Books and follows a young girl that tries to investigate a torn photograph but gets wrapped up in a larger mystery.
The Old Willis Place: A Ghost Story is a children's novel written by Mary Downing Hahn. It was first published in 2004 and is found in over 1400 libraries.