4:30 p.m.: Reading by Poet Major Jackson and novelist Norma Rush; James M. Stewart ’32 Theater, Lewis Center for the Arts, 185 Nassau Street.
7:30 p.m.: Blawenburg Church Spring Lecture Series with Princeton entrepreneur and adventurer, Greg Olsen, “Voyage to the International Space Station”; Historic Blawenburg Church, Route 518.
7:30 p.m.: Central Jersey Orchid Society Meeting, “Annual Orchid Plant Potting Party”; D&R Greenway Land Trust, Johnson Education Center, One Preservation Place, Princeton.
7:30 p.m.: Author event with Caroline Kennedy: She Walks in Beauty: A Woman’s Journey Through Poems; Princeton Barnes & Noble.
8 p.m.: Andre Watts; McCarter Theatre, 91 University Place, Princeton.
9 a.m. to 9 p.m.: Princeton Theological Seminary’s Annual Used Book Sale; Whiteley Gymnasium, Princeton Theological Seminary.
10 a.m.: 55PLUS meeting with Ferdinand Hampson, founder of Habatat Galleries in Royal Oak, Mich.; Princeton Jewish Center, 435 Nassau Street.
Noon: Dinosaur Researcher, Dr. William B. Gallagher of Rider University, presents local findings in his talk, “Dinosaurs in Your Backyard”; Mercer County Community College, Communications Building, West Windsor Campus, 1200 Old Trenton Road.
1:30 to 3:30 p.m.: Progression Physical Therapy of Princeton and the Jewish Family & Children’s Services presents “A Matter of Balance: Managing Concerns About Falls” class; Elm Court Dining Hall, Harriet Bryant House.
4 to 7 p.m.: Reduce, Reuse, Recycle: Blawenburg Reformed Church Spring Rummage Sale; 424 Route 518, Blawenburg. Also Friday and Saturday.
6:30 p.m.: Westminster Choir College of Rider University presents the Lincoln Park/DePaul Neighborhood Choir of the Chicago Children’s Choir; Bristol Chapel, Westminster’s Campus.
7 p.m.: Eagleton Institute of Politics event with ABC News’ Senior Health and Medical Editor Dr. Richard Besser, “Preparedness, Pandemic, and Political Change”; Douglass Campus Center, Rutgers University.
10 a.m. to 2 p.m.: The Hunterdon County Rug Artisans Guild monthly meeting; Administration building within the Hunterdon County Complex, Route 12, Flemington.
10 a.m. to 6 p.m.: Bead Fest Wire 2011; Valley Forge Convention Center, King of Prussia, Pa. Through Sunday.
4:30 p.m.: Stuart Country Day School presents Jhumpa Lahiri, Pulitzer Prize winning author of Interpreter of Maladies, The Namesake & Unaccustomed Earth; 1200 Stuart Road.
7 p.m.: A Cappella Night; Princeton Public Library.
7 to 9 p.m.: Opening reception of Dyanne Cano’s artwork; Small World Coffee, 14 Witherspoon Street.
7:30 to 9 p.m.: Successfully Speak Up Toastmasters meeting; Kingston United Methodist Church, 9 Church Street, Kingston.
8 p.m.: Five-time Grammy Award-winner Trumpeter Terence Blanchard and his Quintet; McCarter Theatre.
8 a.m. to 2 p.m.: Gently Used Sale; Princeton Friends School, 470 Quaker Road, Princeton.
8 a.m. to 2 p.m.: Bordentown City Cats animal rescue group holds its 8th Annual Flea Market Fundraiser, Carslake Community Center, 209 Crosswicks Street, Bordentown.
10 a.m. to 1 p.m.: Knowing Native Plants: Fleeting Flora; Bowman’s Hill Wildflower Preserve Visitor’s Center, 1635 River Road, New Hope.
2 p.m.: Film and discussion about Raw Foods Diet; Princeton Public Library.
7:30 p.m.: In Celebration of Paul Robeson’s 113th Birthday, “Paul Robeson: I Go On Singing”; Solley Theatre, Arts Council of Princeton.
8:30 to 11:30 p.m.: Central Jersey Dance Society presents Ballroom Blitz Dance; Unitarian Universalist Congregation.
9 a.m.: Gesher LeKesher Jewish Teen Peer Leadership Program: Parent Information Session for 2011-2012 year; Har Sinai Temple, 2411 Pennington Road, Pennington.
10 a.m. to 3 p.m.: Sustainable Lawrence and the Lawrence Township Green Team host the Fourth Annual Green Home and Energy Expo; Lawrence High, 2525 Princeton Pike.
11 a.m. to Noon: The Master Gardeners of Mercer County will host a program, “Composting: Ultimate Recycling”; Mercer Educational Gardens, 431 A Federal City Road, Pennington.
1 to 3 p.m.: Rambling Pines Day Camp Open House; Route 518, Hopewell.
3 p.m.: Author/poet Linda Arntzenius will give a reading of her work at the invitation of the English-Speaking Union; Kirby Arts Center, Lawrenceville School.
Recycling
7 to 9 a.m.: Mercer County Park Commission Nature Program, “Early Birds”; meet at Rosedale Park, Blackwell Road parking lot.
8 p.m.: J. Edward Farnum Lecture with Larry Gonick and Randall Munroe, “High Concept, Low Art: A Conversation about Life, the Universe, and Nothing”; Taylor Auditorium, New Frick Chemistry Building, Princeton University, Washington Road.
4 to 6 p.m.: Book signing and cocktail party with Richard Stoll Armstrong, author of A Sense of Being Called; Princeton Windrows, 2000 Windrows Drive.
4:30 to 6 p.m.: Princeton Middle East Society presents Palestinian activist Omar Barghouti on his book, Boycott, Divestment, Sanctions: The Global Struggle for Palestinian Rights; Computer Science 104, Princeton University.
7 p.m.: Best-selling author, Lee Woodruff, will discuss the efforts she and her husband have made to publicize the issue of traumatic brain injury among returning Iraq war veterans; Princeton Public Library.
8 p.m.: Author event with Palestinian activist Omar Barghouti on his book, Boycott, Divestment, Sanctions: The Global Struggle for Palestinian Rights; Rutgers University’s Kirkpatrick Chapel, 81 Somerset Street, New Brunswick.
8 p.m.: Amateur Astronomers Association of Princeton meeting; Peyton Hall, Princeton University.
9:30 a.m.: Eagleton Institute of Politics event with MSNBC Host, Rachel Maddow, “A Conversation with Rachel Maddow”; Nicholas Music Center, Rutgers University.
7 p.m.: Gesher LeKesher Jewish Teen Peer Leadership Program: Parent Information Session for 2011-2012 year; The Jewish Center of Princeton, 435 Nassau Street.
8 p.m.: Jonathan Wurtele, Professor of Physics at the University of California, Berkeley, will speak on “Trapping Antihydrogen: An Adventure in Modern Physics”; Princeton University, Computer Science Building, Room 104.
11 a.m. to 5 p.m.: Princeton Farmers Market; Princeton Public Library community room.
1:30 to 3:30 p.m.: Progression Physical Therapy of Princeton and the Jewish Family & Children’s Services present “A Matter of Balance: Managing Concerns About Falls” class; Elm Court Dining Hall, Harriet Bryant House.
2 p.m.: Performance by The Members Musicale of the Delaware Valley Music Club; First Presbyterian Church, Mt. Airy Road off of Route 179.
2 to 3 p.m.: Engaged Retirement April program, “Time at Last — Navigating Retirement”; RWJ Health & Wellness Center, 3100 Quakerbridge Road.
6:30 p.m.: A conversation with Governor Brendan Byrne; Rider University, 2083 Lawrenceville Road.
6:45 to 8:45 p.m.: The Greater Princeton Area Chapter of SCORE holds an “Intellectual Property Protection” seminar; Hamilton Township Free Public Library, 1 Justice Samuel A Alito Jr. Way.
7 to 9 p.m.: Buddhism 101 with Beth Evard; Princeton Center for Yoga & Health, 50 Vreeland Drive, Suite 506, Skillman.
7:30 p.m.: Author Gregory S. Paul discusses “The Princeton Field Guide to Dinosaurs”; Princeton Public Library, community room.
8:30 to 11:30 p.m.: Central Jersey Dance Society presents Jersey Jumpers; Unitarian Universalist Congregation of Princeton, 50 Cherry Hill Road.
9 a.m.: Greening Princeton EnviRUNment 5K to benefit clean water; Forbes College on the University campus, University Place & Alexander Street. Registration/Check-in starts at 8 a.m.
9 a.m. to 12:30 p.m.: Earth Day Observance and Volunteer Day; Bowman’s Hill Wildflower Preserve Visitor Center, 1635 River Road, New Hope.
9:30 a.m. to 3:30 p.m.: The Trenton Contemporary plans the 25th Annual Four Views of Trenton; The Contemporary Townhouse Museum, 176 West State Street, Trenton.
11 a.m. to 1 p.m.: Free Earth Day Event for Girl Scouts; Princeton Shopping Center.
11 a.m. to 3 p.m.: Greater Princeton Area SCORE Chapter and the Princeton Public Library host a Small Business Fair; Princeton Public Library.
7 to 10 p.m.: “Aces for a Cure” tennis party to benefit the Cystic Fibrosis Foundation; Eve Kraft Tennis Center, Princeton Junction.
8 p.m.: The New Jersey Symphony Orchestra presents “A Salute To John Williams”; New Jersey Performing Arts Center, Newark.