Gore has championed environmental issues for many years.
His book is said to be a call to action that answers many of the questions posed by the film.
Gore is a co-recipient of the Nobel Peace Prize in 2007 for his work on climate change.
Supporters line up for Gore book signing
November 24, 2009 (CHICAGO) There was a long line of supporters at the Borders book store on State Street. "Our Choice" is a follow up to Gore's Academy award-winning documentary "An Inconvenient Truth."
