Indicates wheelchair-accessible.

Indicates listening devices.

Events are free unless otherwise indicated.

Lectures & Speeches

Christina Gerhardt.

"Beyond Fashion: The Political Context of Revolutionary Struggle." Wooden Shoe Books, 508 S Fifth St; 215-413-0999. 7 p.m. Thu.

Ben Cameron.

"Engaging the Next Generation of Leaders." Drexel U, Mitchell Auditorium in the Bossone Research Enterprise Ctr, 3128 Market St; 215-895-6400. 6:30 p.m. Thu. Register at

. eventbrite.com.

Authors & literature

Fairmount Water Works Interpretive Center.

640 Water Works Dr (near Boathouse Row); 215-685-0723. Gerard Koeppel, author of "Water for Gotham," and Kevin Bone, author of "Water-Works." 5:30 to 7:30 p.m. Wed. RSVP by May 26.

Free Library of Philadelphia.

Central Library (Montgomery Auditorium), 1901 Vine St; 215-567-4341.

. library.phila.gov.

James Frey, "Bright Shiny Morning," 7 p.m. Tue. Richard A. Clarke, "Your Government Failed You: Breaking the Cycle of Natonal Security Disasters," Noon Thu. Leif Enger, "So Brave, Young, and Handsome," 7 p.m. Thu.

Barnes & Noble.

1805 Walnut St; 215-665-0716. Donald Scott Sr, "Camp William Penn," and Bernard Harvard and Mark Sylvester, "Walk Street Theatre," 7 p.m. Wed.

Walt Whitman's 189th Birthday.

Whitman Stafford Farmhouse, 315 Maple Ave, Laurel Springs; 856-783-8040. Tours, herb garden; refreshments, slide show 1:30 and 3 p.m. Sat.

Screenings

Koyaanisqatsi; Life Out of Balance.

Film (1982) by Godfrey Reggio, music by Philip Glass. Wooden Shoe Books, 508 S Fifth St; 215-413-0999. Donations accepted. 7:30 p.m. Sat.