You can read the entire short story of Benjamin Button online

The Curious Case of Benjamin Button by F. Scott Fitzgerald is now a movie with Brad Pitt in the title role.  In preparation for seeing the movie (or in lieu of seeing it), you can read F. Scott Fitzgerald's mystically intriguing short story in about 20 minutes online at:
http://www.readbookonline.net/read/690/10628/