Everything you need to understand or teach The Twisted Window by Lois Duncan.
The Twisted Window showcases Duncan's classic detail-filled narrative. Suspense and mystery build from the first sentence when the heroine notices a stranger watching her. From that moment forward, the reader is unsure which characters to trust; personalities which should be obviously "bad" or "good" are not. Duncan accomplishes this confusion with skillfully plotted clues which do not fit neatly together.
Even the window through which the heroine gazes confuses her due to an...