20th Century First Editions, an exhibit of selected works from the permanent collection, opens Monday, July 1, and continues through Wednesday, Sept. 4. Hours are 9 a.m. to 8 p.m., Monday and Thursday; 9 a.m. to 6 p.m., Tuesday and Wednesday; 9 a.m. to 5 p.m., Friday; and 10 a.m. to 2 p.m., Saturday; free. Call or visit poetrycenter.arizona.edu for more information.