ENGLISH LANGUAGE CLASSES, for county residents 17 and older, English for Speakers of Other Languages classes offered in 12-week sessions, two classes per week, at selected libraries. Sponsored by the Literacy Council of Prince George's County and the Prince George's Memorial Library System. Registration fee, $10; required textbooks available for purchase. 301-699-9770.
COLLEGE PARK ARCHIVES TALK, archivist Michael Hussey discusses records of the U.S. State Department and how to use them for family or other research. 11 a.m., National Archives at College Park, Lecture Room C, 8601 Adelphi Rd., College Park. Free; reservations requested. 202-501-5000, Ext. 5.
AFTER-SCHOOL STUDY PROGRAM, for county residents ages 6-12, supervision while students do homework and practice reading; some help with homework available. 2:30-4 p.m. weekdays, John E. Howard Community Center, 4400 Shell St., Capitol Heights. Monthly fee, $25. 301-735-3340.
RIVERDALE FARMERS MARKET, open-air market offering fresh fruits, vegetables, cider, pumpkins and jams. 3-7 p.m., Riverdale Park Town Center, Queensbury Road and Rhode Island Avenue, Riverdale. Free. 301-927-6381.
COLLEGE PARK NEEDLE ARTS, an informal gathering to work on quilting, knitting, embroidery and counted cross-stitch, sponsored by the College Park Needle Arts Society. 9:30-11:30 a.m., Old Parish House, 4711 Knox Rd., College Park. Free. 301-277-9630.
LANDOVER GYMNASTICS WORKSHOP, for ages 18 months to 14 years with an adult, instruction for exercises using gymnastic equipment. 4:30-5:30 p.m. Friday, 1:30-2:30 p.m. Saturday and 11:30-12:30 p.m. Tuesday and Wednesday. Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. Children, $4; adult companions, free. Maximum of three children per one adult. 301-583-2400 or www.pgsportsandlearn.com.
COLLEGE PARK FARMERS MARKET, an open-air market offering fresh fruits and vegetables, sponsored by the Maryland-National Capital Park and Planning Commission. 7 a.m.-noon, Ellen Linson Swimming Pool parking lot, 5211 Paint Branch Pkwy., College Park. Free. 301-277-3717.
GREENBELT BIKE RIDE, for all ages, the Greenbelt Pink Ribbon Bike Ride to publicize the importance of early detection of breast cancer and provide counseling to breast cancer patients. Choice of a 10-, 20- or 40-mile course, or a 2-mile fun ride or walk; helmets required. Prizes awarded; sponsored by Bike4Breast Cancer. Registration, 8:30-10 a.m.; 40-mile ride starts at 9 a.m.; staggered starts for 2-, 10- and 20-mile courses. Depart from and return to Greenbelt Community Center, 25 Crescent Rd., Greenbelt. Riding fee, $30; adult-children groups, $50. 877-777-2034 or register at www.bike4breastcancer.org.
ENVIRONMENTAL EDUCATION WORKSHOP, for teachers, "Project Wild," about indoor and outdoor interactive activities to help students learn about wildlife. 10 a.m.-4:30 p.m., Patuxent Research Refuge, National Wildlife Visitor Center, Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. $5. Registration required. 301-497-5898.
GARDENING ADVICE, master gardeners offer advice on fall garden topics, including planting for year-round color, and help diagnose plant problems. Bring fresh, three- to four-inch samples with foliage from your plants for evaluation. 10:30 a.m.-12:30 p.m., Surratts-Clinton Library, 9400 Piscataway Rd., Clinton. Free. 301-868-9200.
GREENBELT PARK PLANT REMOVAL, volunteers help remove invasive plants from the park; bring gloves and water. 11 a.m., Greenbelt National Park, 6565 Greenbelt Rd., Greenbelt. Free. 301-344-3944.
RIVERDALE PARK COMMUNITY DAY, entertainment, bands, a moon bounce and pony rides. Refreshments will be sold. Noon-5 p.m., Riversdale Mansion grounds, 4811 Riverdale Rd., Riverdale Park. Free. 301-927-6381.
TUMBLING SKILLS WORKSHOP, for ages 8-25. 2:30-3:30 p.m., Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. $7.50 per hour; registration begins at 2 p.m. 301-583-2400 or www.pgsportsandlearn.com.
SENIOR FITNESS, for ages 60 and older, use of the fitness center and swimming pool. 8 a.m.-noon Mondays, Wednesdays and Fridays. Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. Free. Nonresidents of Prince George's and Montgomery counties, $8; pool only for nonresidents, $5. 301-583-2400.
BOWIE STORY TIME, for ages 3-5. 1 p.m., Bowie Library, 15210 Annapolis Rd., Bowie. Free. 301-262-7000.
DISTRICT HEIGHTS BEDTIME STORIES, for ages 2-6. 7 p.m., Spauldings Library, 5811 Old Silver Hill Rd., District Heights. Free. 301-817-3750.
HILLCREST HEIGHTS CHESS CLUB, for all ages and skill levels, with instructor Paul Yates. 7 p.m., Hillcrest Heights Library, 2398 Iverson St., Temple Hills. Free. 301-630-4900.
ESTATE PLANNING TALK, long-term care insurance and changes in tax laws. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. $1; nonresidents of Prince George's and Montgomery counties, $2. 301-203-6040.
HYATTSVILLE CITY COUNCIL MEETING, an agenda will be posted before the meeting. 8 p.m., third floor, Hyattsville Municipal Building, 4310 Gallatin St., Hyattsville. Free. 301-985-5000.
CLINTON STORY TIME, for ages 3-5. 10:15 a.m., 11 a.m. and 11:45 a.m., Surratts-Clinton Library, 9400 Piscataway Rd., Clinton. Free. 301-868-9200.
COLLEGE PARK ARCHIVES TALK, archivist William Davis discusses petitions and memorials sent to the U.S. Congress and how to use them. 11 a.m. Tuesday and Wednesday, National Archives at College Park, Lecture Room C, 8601 Adelphi Rd., College Park. Free; reservations requested. 202-501-5000, Ext. 5.
UPPER MARLBORO STORY AND CRAFT TIME, for ages 3-5. 11 a.m., Upper Marlboro Library, 14730 Main St., Upper Marlboro. Free. 301-627-9330.
LARGO CHESS CLASS, for all ages, with instructor Guy Charity. 7 p.m., Largo-Kettering Library, 9601 Capital Lane, Largo. Free. 301-336-4044.
HOME ELECTRONICS MAINTENANCE CLASS, for ages 18 and older, routine maintenance needed to keep VCRs, CD and DVD players functioning. 7:30-9 p.m. Tuesdays, Thursdays and Fridays, through Oct. 15, Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. $40; nonresidents of Prince George's and Montgomery counties, $48. Registration required. 301-583-2430.
SENIORS LINE DANCING, for ages 60 and older. 10 a.m.-noon, Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
FAIRMOUNT HEIGHTS CHESS CLUB, for all ages, with instructor Ted Fagan. 5 p.m., Fairmount Heights Library, 5904 Kolb St., Fairmount Heights. Free. 301-883-2650.
DISTRICT HEIGHTS POETRY READING, for teenagers and adults, open-microphone readings. 7 p.m., Spauldings Library, 5811 Old Silver Hill Rd., District Heights. Free. 301-817-3750.
GLENARDEN STORY TIME, for ages 2-5. 10:30 a.m., Glenarden Library, 8724 Glenarden Pkwy., Glenarden. Free. 301-772-5477.
NEW CARROLLTON STORY TIME, for ages 3-5, 10:15 a.m.; for ages 18 months-2 years, 11 a.m. Games, stories and reading-related activities for ages 6-9, 3:40 p.m. New Carrollton Library, 7414 Riverdale Rd., New Carrollton. Free. 301-459-6900.
HYATTSVILLE BOOK DISCUSSION, about "The Polished Hoe," by Austin Clarke, a murder mystery set on a Caribbean island in the 1950s. 7:30 p.m., Hyattsville Library, 6530 Adelphi Rd., Hyattsville. Free. 301-985-4690.
-- Compiled by LISA MARTIN
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