The lucky winner will receive a 3-day, 2-night trip to Tulsa, Oklahoma for two people which includes airfare, hotel accommodations, a tour of Tulsa and lunch on Saturday, April 30th, 2011 at the Chalkboard Restaurant with the authors. In order to enter the promo, they must answer three questions about the series.
More about the contest: http://bit.ly/fO0Jnp
Contest rules: http://houseofnightseries.com/pages/tourtulsaofficialrules.html
St. Martin's is also holding a contest via the House of Night Facebook fan page. Fans can enter for a chance to win 1 of 30 complete sets of House of Night books here
Disclosure: I did not receive any form of compensation for this post.