Before you rush out to pick up the new Diary of a Wimpy Kid (on sale this week!), check out this sneak peek!When a wintry blast closes Greg Heffley’s middle school, it turns his neighborhood into a battleground, complete with snow forts, alliances, betrayals, and epic snowball fights. Catch a sneak peek from Jeff Kinney’s latest misadventure by clicking through the slideshow below, and don’t forget to pick up your copy, available now at Books-A-Million!