Mouse Guard is a comic series that depicts the lives and responsibilities of a few mice who have sworn to protect all of mousekind. You can find those stories here.
Luke Crane also made a tabletop RPG based off of the comic series for anyone who wants to start creating their own stories. You can find that here.
In addition, Luke Crane provides a forum for people who are new to Mouse Guard and the whole Burning Wheel system.
That's all you need, so consider yourself linked!