GIMPel

http://meetthegimp.org/episode-133-the-power-of-a-book/

I first used AWB (Automatic White Balance),
then used edit-mask for editing the picture easily,
making the environment of the girl with the book darker.
Then I used Jwarp, to emphasize the girl, but letting the
main event being also present, but "fading out" the
people around.