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Cover of Intensity by Dean KoontzIntensity
Modern · Fiction, Thriller

Intensity

by Dean Koontz
1995 · 464 pages · Fiction
Lifetime bestseller
≈ 12 hours to read · about 3 weeks at 30 minutes a day

What it's about

Chyna Shepard, a twenty-six-year-old psychology student, is spending the weekend at her best friend's family home in the Napa Valley when a serial killer breaks in at night and murders the family. Chyna hides and survives. Then she learns he's holding a young girl captive at his house, and she follows him, alone, to save her.

Why it's worth reading

It hit #1 on the New York Times list. It takes place over about a day and is one of Koontz's most relentless thrillers.

You'll love it if you liked

Good to know

It's very violent, with the killer's point of view included.

By the numbers

67.4Must-Read Score
  • Readers48 out of 100 · counts 42%
  • Critics0 out of 100 · counts 14%
  • Bestseller50 out of 100 · counts 34% (its stronger lane)
  • Buzz0 out of 100 · counts 10%

Critics and Bestseller are two ways to earn a place: a book's stronger one counts more. Buzz rewards recent bestseller weeks and prizes, so older books start at zero. The parts combine into the Must-Read Score, shown on a scale where the best book we found scores 99 and the last book to make the ranking scores 50.

Where it ranks

Why it made the list

Bestseller
#1 New York Times bestseller (3 weeks at #1)

Reads as

Gripping

How we rank

Already read it? Upload your Goodreads or StoryGraph history and get the 50 best books you haven't read, tuned to your taste.Get my 50

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Explore the best-of lists

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Quick answers

Is Intensity worth reading?

Yes. It hit #1 on the New York Times list. It ranks #1,607 of the 2,816 books in our ranking, with a Must-Read Score of 67.4 (the best book we found scores 99).

What is Intensity about?

Chyna Shepard, a twenty-six-year-old psychology student, is spending the weekend at her best friend's family home in the Napa Valley when a serial killer breaks in at night and murders the family. Chyna hides and survives. Then she learns he's holding a young girl captive at his house, and she follows him, alone, to save her.

How long does it take to read Intensity?

About 12 hours (464 pages), or about 3 weeks at 30 minutes a day.

What should I read after Intensity?

If you liked it, try Watchers by Dean Koontz, From the Corner of His Eye by Dean Koontz or Mr. Mercedes by Stephen King.