Events are free unless otherwise indicated.

Symposiums & seminars

Free Library of Philadelphia.

Central Library, 1901 Vine St; 215-567-4341

"One Nation Under God: Does Religion Unite or Divide Us?" Panel presented by the Library and the Anti-Defamation League. 7 p.m. Mon. "Finding the Right Literary Agent," Bill Martin of Agent Research & Evaluation, 7 p.m. Tue.

From Genghis Khan and the Mongol Empire to Mongolia's Place in the World Today. Ravdan Bold, Mongolian ambassador to the U.S. and J. Enksaikan, former ambassador. U of Penn Museum of Archaeology & Anthropology, 33d & Spruce Sts; 215-898-4890.

2 p.m. Thu.

Lecture & speeches

Maurizio Giammarco.

"Italian Neorealism: A Film Forum." Prof of film studies and English literature, Rosemont College. Bryn Mawr Film Institute, 824 W Lancaster Ave, Bryn Mawr; 610-527-9898; 7 p.m. Wed.

Guy Consolmagno. Planetary scientist and official astronomer for the Vatican. "God, Astronomy and the Search for Elegance." Rittenhouse Astronomical Society. Franklin Institute, 220 N. 20th St.; 215-448-1200. 7 p.m. Wed.

Authors & literature

Barnes & Noble.

1805 Walnut St.; 215-665-0716. Helen Caldicott and Craig Eisendrath, "War in Heaven," 7 p.m. Tue.

Penn Bookstore. 3601 Walnut St., 215-898-7595. Lynn Hoffman, "Bang Bang," 5:30 p.m. Mon. Marion Deutsche Cohen, "Crossing the Equal Sign," 7 p.m. Tue. Josh Piven, "The Escape Artists" and Marci Alboher, "One Person/Multiple Careers," 4 p.m. Wed. Tobi Zausner, "When Walls Become Doorways: Creativity and the Transforming of Illness," 7 p.m. Thu.

Free Library of Philadelphia. Central Library (Montgomery Auditorium), 1901 Vine St; 215-567-4341. Natalie Angier, "The Canon: A Whirligig Tour of the Beautiful Basics of Science," 7 p.m. Tue. Elmore Leonard, "Up in Honey's Room," 7 p.m. Thu. Chuck Palahniuk, "Rant," 8 p.m. Thu. Paul Davies, "Cosmic Jackpot: Why Our Universe Is Just Right for Life," Noon, Fri.



Documentary on the lives of three Jehovah's Witnesses. Natl Constitution Ctr and the Independent Television Series. RSVP at 215-409-6700. National Constitution Ctr, 525 Arch St; 215-409-6600.



6:30 p.m. Wed.