I did see something alled the Pemberely Chronicles, I do not remeber the author-but it is 4 sequels to P & P. One is titled "Netherfield Park"
Now I would guess that would be about Jane and Bingley, but maybe not,maybe new inhabitnats, since at the end of P & P JA tells us that after a year of mariage Bingley buys an estate in a neighboring county to Pemberley.
I forget how JA put it- (I need to get out the novel I guess!) but something about their feeling the need to get away from Mrs. Bennett and Meryton! LOL! I beleive

I would want to get away from Mrs. Bennett also!