A stealthy leprechaun showed up early on St. Patrick's Day to stir up trouble at the Dunham Children's Learning Center, overturning furniture and scattering toys prior to the kids' arrival. "From the lobby to the rooms, everything was a mess," according to Stacie L. Smith, a group leader, who said the children had a great time searching through the clutter and clover for the pesky visitor.

The disheveled entryway provides the first hints that something is amiss.

A paper trail leads to evidence of misbehavior.

Someone's been rummaging in the Reading Room.

Children sit amid the upheaval.

Search party, assemble!

The hunt continues.

A calling card?