texts, but with a startling assignment from Professor Williams: Find a hypothetical missing girl named Polly. If after being given a series of clues and details the class has not found her before the end of the term in six weeks, she will be murdered.At first the students are as intrigued by the premise of their puzzle as they are wary of the strange and slightly creepy Professor Williams. But as they delve deeper into the mystery, the boundary between the classroom and the real world is blurred and the students wonder if it is their own lives they are being asked to save.

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