As promised, here is your chance to win a copy of the forthcoming book "Pink Floyd The Wall: In The Studio, On Stage and On Screen", to be published by Reynolds & Hearn on Tuesday May 4th. We have three copies to be won, in this competition open to you all - wherever you are in the world.

Simply answer the Wall-related questions below, and send your answer together with your name and postal address by email with the subject line "Wall competition", to reach us by Sunday May 2nd - two days before publication. Good luck, and remember to get your entry in before the closing date - the winners will be picked on Monday May 3rd, first thing!

Q1. Who was responsible for the striking artwork?
Q2. What was unusual about the first live show in 1980? What caused a halt to proceedings?
Q3. Where was the final live performance of The Wall (city and location)?
Q4. What legendary band were lined up to provide some harmonising vocals on the album?
Q5. Name the actor who played the Teacher in the film of The Wall.

Our thanks to Marcus Hearn of Reynolds & Hearn for providing us with these to give away...