You know the drill. It's a penalty to the away side. Just as the kick is about to be taken, the home side's official mascot suddenly jumps up behind the net, dancing. The penalty-taker misses and turns to you in outrage. What do you do?You are the Ref - the cult classic comic strip from Roy of the Rovers artist Paul Trevillion - puts you in the spotlight and asks the question: what would you decide? Following the overwhelming success of the earlier You are the Ref and You are the Umpire titles, here is the concluding, definitive collection of refereeing dilemmas from the last of the great figure-drawing illustrators - and national-treasure to boot - Paul Trevillion.

Just remember: the referee's decision is final.

Get the brilliant You are the Ref app, produced by Four Door Lemon, here.

See glowing reviews for You are the Ref here:

Independent on Sunday

Soccer Nation

A unique guide to the laws of football, illustrated by legendary artist Paul Trevillion. Reprises the cult classic comic strip from "Roy Of The Rovers", with brand new art inspired by this year's World Cup. Edited by David Hills and Giles Richards.

Collecting some of the best classic strips and art inspired by World Cup 2010, this guide to football features extra trivia and facts that allows youngsters and old pros to test their knowledge and to get to grips with the nuances of the game.