To take part in the giveaway, do one of the following by July 13th 2013:
Add a comment on the video page http://youtu.be/9yW1...
Add a comment on this page
Send an email to firstname.lastname@example.org, mentioning this giveaway
Send me a YouTube message, mentioning this giveaway
Note that the winner will have to give me their full name and postal address, so that I can send you the book. If you're under 18, check with your parents whether that's ok.