Some people just can't get enough Brontë, in which case they become members of the Brontë Society, one of the most important literary societies in the English-speaking world. Formed in 1893, the group adores all things Brontë – and that's not just Emily, it's Charlotte and Anne too. (Source)
H. The Story of Heathcliff's Journey Back to Wuthering Heights, by Lin Haire-Sargeant, tries to fill in the gaps of the three years Heathcliff is gone from the Heights. In the tradition of unauthorized sequels, H. no doubt aspires to do with Wuthering Heights what Jean Rhys's Wide Sargasso Sea did so effectively with Jane Eyre: taking up familiar characters and spinning a whole new narrative, delving into background, motivations, and other gaps in the original story.
A first edition of Wuthering Heights – published in 1847 under the pseudonym Ellis Bell, because the author feared she faced prejudice as a female writer – sold at an auction in London recently for $236,000. (Source)
In a 2007 survey, Wuthering Heights was rated the #1 greatest love story. The runners up included Pride and Prejudice, Romeo and Juliet, Jane Eyre, and Gone with the Wind. Read all about it in the Guardian's article "Emily Brontë hits the heights in poll to find greatest love story."