The SitterR.L. Stine
Ellie Saks takes a summer job as a nanny in the Hamptons.
She begins to receive threatening messages and disturbing gifts. But it’s not until she barely escapes a harrowing experience that she realizes her life may depend on figuring out who’s behind it. Ellie’s summer of fun has turned into a summer of horror—one she’ll never forget . . . if she survives it at all.