Thanks to the movie, demand for Suzanne Collins' novels has soared. How do the numbers for the ''Hunger Games'' franchise stack up?
Harry Potter: 150 million copies*
The Twilight Saga: 75 million copies
The Hunger Games series: 36.5 million copies
The Millennium series (The Girl With the Dragon Tattoo et al): 20 million copies
*Number of copies in print in the U.S.