This is a lovely short story by Kenya Starflight a fiction writer who attempted a non-Star-Wars fiction. You can guess the Star Wars fan from the pen name "Starflight". Anyway, s/he has nicely caught Calvin growing out of Hobbes phase and coming back to it in troubled times for the comfort he always knew! It's a wonderful story, will take 15/20 mins read.
Source - Mumbai Mirror 26thAug 2010 www.5m5.in/Aug26Article