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Title: An interesting topic marred by skimpy scientific explanation
Review: Longitude is a basic introduction to the topic of longitude but the author's journalese style of writing plus her failure to explain clearly certain scientific principles militates against accepting the work as valid history. After reading sections of the book over and over, I still have no idea how longitude is plotted, either astronomically or by Harrison's clock. And I don't think Slobin does either.
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