Enter The Gunn Report's 2012 Christmas Quiz, win The Gunn Report 2012 book (worth £150)

Think you know all about ads? Then enter The Gunn Report's 2012 Christmas Quiz, 20 questions about the world's greatest ever ads.

The ten highest scorers will be sent their own personal copy of The Gunn Report 2012 book (worth £150). Entries close at 10.00pm on December 26th (Boxing Day) California Time.

ENTER THE QUIZ