You don't have to be a follower of Ex Libris, but if you are, you'll get +5 extra entries.
Edited to add: If you want you can get some more extra entries: just leave a comment on any of the author guest posts during the Spotlight on Urban Fantasy weeks: (you can do this well after submitting the form until the giveaway closes)
Jess Haines (posted Friday 22 October)
Jennifer Estep (posted Monday 25 October)
Sonya Bateman (will be posted Thursday 28 October)
You'll get +2 extra entries for the comment you make on any of these 3 guest posts, just please LEAVE A COMMENT on this giveaway post and tell me where you commented (you can get a max of +6 extra entries for commenting)