Sunday 17

GENEALOGY SEMINAR, lecture on immigration and naturalization, sponsored by the Prince William Public Library System. 1:30-4:30 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free; registration required. 703-792-4540.

ALCOHOLICS ANONYMOUS, 2-3 p.m., Conference Room 2/3, Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-445-0777.

Monday 18

BLOOD DRIVE, sponsored by the American Red Cross, Prince William Chapter. 7:30 a.m.-1:30 p.m., Woodbridge Senior High School, 3001 Old Bridge Rd., Woodbridge. 703-368-4511.

VISION-IMPAIRED SUPPORT GROUP, 10 a.m.-noon, Park West Lions Club, 8620 Sunnygate Dr., Manassas. 703-368-1721.

TOASTMASTERS INTERNATIONAL, 7-9 p.m., Ebenezer Baptist Church, 13202 Telegraph Rd., Woodbridge. 703-680-3203.

STORY TIME, for ages 2-5. 7:15 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.

Tuesday 19

WRITERS ROUNDTABLE, 7:30 p.m., Francis Cannon VFW Hall, 9304 Centreville Rd., Manassas. 703-494-4260.

HOME-BUYING SEMINAR, 7-8:30 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free; registration required. 703-792-6287.

QUILTING CLASS, basic instruction. 7 p.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free; registration required. 703-792-4800.

10TH DISTRICT DEBATE, with Rep. Frank R. Wolf (R-Va.) and challenger James Socas (D). 6:30 p.m.; dinner, 7 p.m.; program, 8 p.m. Holiday Inn, 10800 Vandor Lane, Manassas. Dinner, $20; program is free. Reservations required for dinner. 703-670-5915.

STORY HOUR, for ages 2-6. 10:30 a.m., Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.

EVENING STORY HOUR, for ages 2-5, with a caregiver. 7 p.m., Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211,

BULL RUN TROUBADOURS, 7:30 p.m., Trinity Episcopal Church, Battle and Church streets, Manassas. 703-743-5867.

PRINCE WILLIAM CHESS CLUB, 7-9 p.m., Game Parlor, 14400 Smoketown Rd., Woodbridge. 703-670-5887.

Wednesday 20

PRINCE WILLIAM ART SOCIETY, 7:30 p.m., Canterbury Woods Community Center, 12104 Chaucer Lane, Lake Ridge. 703-590-3144.

ESTATE PLANNING AND INVESTMENT SEMINAR, for people 50 and older, sponsored by the Lifelong Learning Institute. 10 a.m., Colgan Theater, Northern Virginia Community College, 6901 Sudley Rd., Manassas. Free. 703-753-1917.

BREAST CANCER SUPPORT GROUP, for patients and family members, sponsored by Potomac Hospital. 7 p.m., Conference Room 2/3, Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-221-2500.

NATIONAL ASSOCIATION OF RETIRED FEDERAL EMPLOYEES, Chapter 356. Lunch at 11:30 a.m.; meeting at 12:30 p.m. Old Country Buffet, 8121 Sudley Rd., Manassas. 540-368-0246.

BLOOD DRIVE, sponsored by the American Red Cross Prince William Chapter. 9 a.m.-2:30 p.m., Northern Virginia Community College, 6901 Sudley Rd., Manassas. 703-368-4511.

STORY TIME, for ages 2-6, with a caregiver, 10:30 and 11:15 a.m.; for ages 3-8, with a caregiver, 4 p.m. Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4800.

TAKE OFF POUNDS SENSIBLY, weight loss support, 9-11 a.m., Prince William Senior Center, 13850 Church Hill Dr., Woodbridge. Free. 703-494-2692.

WRITERS GROUP, 7:30 p.m., Borders Books & Music, 2904 Prince William Pkwy., Woodbridge. 703-897-8100.

TOASTMASTERS INTERNATIONAL, Lake Ridge Club No. 8913. 7:30 p.m., Tall Oaks Community Center, 12399 Hedges Run Dr., Lake Ridge. 703-494-5530.

Thursday 21

WIDOW AND WIDOWERS SUPPORT GROUP, for people 55 and younger, sponsored by Potomac Hospital. 7:30-9 p.m., Potomac Hospital, 2300 Opitz Blvd., Woodbridge. 703-670-1722.

BEREAVEMENT SUPPORT GROUP, 7 p.m., Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 703-368-9800.

AMERICAN BUSINESS WOMEN'S ASSOCIATION, 11:30 a.m.-1 p.m., 2233 Tackett's Mill Dr., Woodbridge. Members, $14; nonmembers, $19. 703-492-4144.

OLD TOWN BUSINESS ASSOCIATION, 8 a.m., Manassas Museum, 9101 Prince William St., Manassas. 703-257-7895.

MANASSAS-WARRENTON CAMERA CLUB, 7:30 p.m., Manassas City Hall Council Chambers, first floor, 9027 Center St., Manassas. 540-439-0566.

NATIONAL ASSOCIATION OF RETIRED FEDERAL EMPLOYEES, Chapter 1270. Lunch at noon; meeting at 12:45 p.m., Montclair Golf, Tennis and Swim Club, 16500 Edgewood Dr., Dumfries. 703-494-5439.

FAMILIES ANONYMOUS, for parents of children with substance abuse problems. 8:30 p.m., old Marsteller School building, Room 24, 8730 Sudley Rd., Manassas. 703-530-8973.

FARMERS MARKET, 7 a.m.-1 p.m., Church Street, next to the fire station in Old Town Manassas. 703-361-6599.

Friday 22

PARENTING CLASSES IN SPANISH, sponsored by the Prince William Cooperative Extension Service. 7-9 p.m. Fridays, through Dec. 3. Sudley North Government Building, 7987 Ashton Ave., Manassas. 40; registration required. 703-792-6288.

USED BOOK SALE, sponsored by the Friends of the Chinn Park Regional Library. 10 a.m.-4:30 p.m. today and Saturday, noon-3 p.m. Sunday, Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. Free. 703-792-4890.

ALCOHOL RECOVERY MEETING, Back Door Friends. Noon, River Woods Community Center, 16573 Nanticoke Rd., Woodbridge. 703-221-5513.

Saturday 23

HYPERTUFA WORKSHOP, sponsored by the Prince William Cooperative Extension Service. 10 a.m.-noon, Teaching Garden, St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. $25; registration requested. 703-792-7747.

SCIENCE FICTION BOOK CLUB, "The Amazing Dr. Darwin: The Adventures of Charles Darwin's Grandfather," by Charles Sheffield. 2:30 p.m., Central Community Library, 8601 Mathis Ave., Manassas. 703-361-8211.

BALLROOM DANCING DEMONSTRATION, 2 p.m., Bull Run Regional Library, 8051 Ashton Ave., Manassas. Free; registration required. 703-792-4540.

FARMERS MARKET, 7 a.m.-2:30 p.m., Church Street, next to the fire station in Old Town Manassas. 703-361-6599.

RECOVERY INC., for people experiencing anxiety, depression, fear and other emotional problems. 10 a.m.-noon, Cokesbury United Methodist Church, 14804 Blackburn Rd., Woodbridge. 703-490-5423.

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