What can you win?
Only the chance to be a character in one of the next Adventure Island books!!!
Oh, and signed books for you and a set for your school too.
And, of course, the satisfaction of knowing you solved the mystery and caught the thief of the jubilee diamond!
In case you thought it was too late to enter, or you've had trouble finding any of the ten guest blog posts now that they are no longer on the home pages of the various websites, I've gathered everything you need to enter, including all ten blog posts and questions and put it all on the Operation Diamond page on this website.
You have until 23rd July 2012 to send in your answer. As Jack would say, 'What are you waiting for???'