This competition is open to all. All you need to do is answer one question correctly... and hope that luck is on your side. All entrants who have selected the correct answer will be entered into the draw to choose the winner of the Christophe Claret book.

Deadline: 25 June 2015 midnight (GMT +1)
The winner will be contacted directly by e-mail.
The answer to yesterday's question is: 2.5 meters.
Enter this competition now