The Knife is a novella written by R. L. Stine. It was first published in 1991 and is the 14th book in the Fear Street book series.
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Quiet—hospital!
Sshh. There are a lot of things they want to keep quiet at Shadyside Hospital. In fact, just about every private room holds a private secret of its own.
Poor Laurie Masters. The student volunteer innocently happened to stumble onto the hospital’s sickest secret of all.
Laurie has seen too much—and now the doctors and nurses are taking a close look at Laurie.
What they come up with is a deadly diagnosis. Laurie may not be sick, but she’s getting a prescription anyway—a prescription for horror!