Time Limit — Aaron Rosenberg

Will Chen loves being a Warden. So when he discovers it may not be forever, he's crushed. To make matters worse, he and the other Latchkey kids go after a Door -- and find themselves in a world of utter darkness! Now it's up to Will to save his friends. But can he do it? Especially when it could mean losing his Warden status forever?

Time Limit is the sixth tale in the Latchkeys series about the House of Doors, the Doors that lead anywhere and anywhen, and the kids who try to protect them.