Greene: Don’t Let the Bedbugs Bite (Denver Post article). Denver Public Library, September 22, 2009. http://www.denverpost.com/news/frontpage/ci_13390297 This one is not a lighthearted shenanigan but a sad story. (Thanks, Steve Lawson!)
Addendum, August 2012: bedbugs shut down a library in Middletown, CT. Thanks, David Weinstock!