Book was great, I really liked it. I haven't seen the older adaptation yet, but the more recent one (with Clooney) was IMHO terrible. Such adaptations make more harm than good.
Part 1:
http://www.youtube.com/watch?v=GG9Anstjlro&feature=youtu.be
Part 2:
(Links are from:
http://www.openculture.com/2010/07/tarkovksy.html
there are more Tarkovsky film links there).
Word of warning: do not expect Star Wars or Inception type special effects. And this is Tarksovky's reading which, if you know Tarkovsky, he was concerned more about the human condition, than technological aspects of Sci-Fi.