The book and Mary (spoilers for book)
I've had this film for years now and always kind of liked it (though i feel like with all Sofia Coppola's films, they are beautiful but lacking something). I recently read the book after reading 'Middlesex' by Jeffery Eugenides, which blew me away. The Virgin Suicides is one of the most incredible books I've ever read, completely surpassing the film. There is so much more depth that a film has no hope of unearthing, even though it is very faithful.
I do wonder, however, why when such lengths were taken to keep the movie true to the novel, that they leave out Mary's failed suicide attempt? She doesn't die in the oven, but is resuscitated and kills herself a month later with an overdose. This was such a painful part of the story--imagining her loneliness and desperation--I wondered why it was cut?