After reading almost 1700 odd pages, this was was over in less than two hours.
It is a small novella which occurs in the March house in January. The story spans three days at the max.
One new character I loved was the little girl, Julia's niece. We get to see the soft side of Morag again (after the doggie bit in book 3).
The confusion of Julia was different from the usual yearning of the ladies belonging to that era. (no spoilers)
One more to go and I'll be done with the series.