This is going on the list... Getting the impression that
In the Heart of The Sea is a rigourously researched and detailed account of whaling in the 19thC. It elaborates and continues the true story that inspired and ends in Moby Dick. I think I knew, but perhaps not explicitly, that Moby Dick was a reimmaging of an actual event -the loss of the whaleship
Essex. -
Further reading.
In the Heart of the Sea makes no bones about its sources [ouch -ed.]