Author shows up at reader's house: http://www.theguardian.com/books/2014/oct/18/am-i-being-catfished-an-author-confronts-her-number-one-online-critic
Author has family ties: http://www.nytimes.com/2013/01/06/fashion/nathaniel-and-simon-the-brothers-rich.html
Petition for increasing privacy on Goodreads: https://www.change.org/p/goodreads-com-safety-first-improve-privacy-settings-for-reviewers
We'll see how Harper Collins will react, but a boycott might be necessary. (See "family ties") entry.
This might be unrelated, but: author also finds tormenting her pets funny (obvs triggers): https://medium.com/profiles-in-courage/catch-me-if-you-can-aspca-777a7d4031e9
(and on from there)
Spread the word.