I think this is a great idea. If their request is granted, the courthouse in West Chester, PA, will show their "tree of knowledge" along with a Christmas tree, Nativity scene, and Menorah. According to this editorial (update: link no longer active) by Tony Phyrillas,
The group's display is entitled "The Tree of Knowledge" and it will feature a 15-foot evergreen with color copies of book covers as "ornaments." Some of the book covers will include the Bible, the Quran, "Ethics Without God," "Why I Am Not a Christian," and "Freethinkers: A History of American Secularism."Something tells me we haven't heard the end of this one.