The ¾«¶«´«Ã½ (ALA), in cooperation with the Space Telescope Science Institute (STScI) Office of Public Outreach, Baltimore, Maryland, and the Smithsonian Astrophysical Observatory (SAO), Cambridge, Massachusetts, invites public libraries to apply for a national tour to 40 sites of “Visions of the Universe: Four Centuries of Discovery,” a traveling exhibition to mark the International Year of Astronomy (IYA) in 2009. The exhibit will travel from January 2009 through December 2010.