The Hound of the Baskervilles
What is the plot in chapter 7 ?
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Basically Watson decides to investigate whether Barrymore was actually at Baskerville, as his telegram had indicated. Yo can check out the full summary at the GradeSaver link below:
http://www.gradesaver.com/the-hound-of-the-baskervilles/study-guide/summary-chapter-vii-ix