Smallville competition.
Win a copy of the Smallville Yearbook.
We've got five copies of the new Smallville Yearbook to give away this week - each a hundred pages-worth of cast and crew interviews, behind-the-scenes features and pictures of Tom Welling looking gorgeous.
And, for the first right entry out of our cyber-postbag, we'll chuck in five Smallville novels - including one by acclaimed British comics writer Alan Grant.
All you have to do for a chance to win is answer the simple question below.
What colour of kryptonite causes Clark Kent to turn into a bad man?
A. Green
B. Blue
C. Red
Don't forget to check the Rules first.
So, tell us the answer.