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Longitude by Dava Sobel (Paperback)
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Longitude by Dava Sobelthe short, gripping story of a problem that changed the seas

Longitude by Dava Sobel (Paperback)

Reviewed by the WhyToBuyThis team · Updated September 2026 · How we choose

Perfect for

  • Quick reads
  • Science and the sea
  • Maps and navigation
  • Under $20
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Price: $6.50

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  • Great gift ideaChosen for real-world gifting
  • Hand-pickedCurated, not scraped
  • Honest reviewThe catch, not just the hype

Why this gift works

Longitude by Dava Sobel tells the story of John Harrison, the self-taught 18th-century clockmaker who spent about forty years building a marine timekeeper that let ships find their longitude at sea. It weaves together the history of navigation, astronomy and clockmaking. This Bloomsbury USA paperback runs to 208 pages; the book was named British Book of the Year in 1997.

It is the rare history book that reads like a thriller, and at just over 200 pages it can be finished in a weekend. It suits anyone who likes the sea, maps, science or a good underdog story.

Who is this gift for?

Great for

  • A reader who loves maps and navigation
  • An engineer or tinkerer
  • Pairing with a globe

Think twice if

  • They want a big survey
  • They already own it

The catch

It is short and narrow - one problem and one inventor - historians of science have criticized its hero-and-villain framing, and the trim size is small.

Skip for a reader who wants a big survey of history.

Key specs

Longitude by Dava Sobel (Paperback) specifications
AuthorDava Sobel
PublisherBloomsbury USA, 2007
FormatPaperback, 208 pages
Size7.38 x 4.66 in
RecognitionBritish Book of the Year (1997)
ISBN080271529X / 9780802715296

Worth knowing before you buy

  • This paperback includes color inserts, per the distributor.
  • It was a New York Times bestseller.

Why we like it

  • Reads like a thriller
  • Finished in a weekend
  • Science, maps and the sea
  • Inexpensive

What to look for in a popular history book

  • Story. A single gripping story is an easy way into a topic.
  • Length. Short books get finished.
  • Topic. Match it to what they love - here, science and the sea.

Questions people ask

John Harrison and his decades-long work on a clock accurate enough to find longitude at sea.

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