The Chronicles of Narnia films series is based on a books by Clive Staples Lewis, "The Chronicles of Narnia". Of the seven books, three were made into movies: "The Lion, the Witch and the Wardrobe" in 2005, "Prince Caspian" in 2008 and "The Voyage of the Dawn Treader" in 2010. Those movies have grossed more than $1.5 billion worldwide.