Thursday 9

GLENARDEN STORY TIME, for ages 2-5. 10:30 a.m., Glenarden Library, 8724 Glenarden Pkwy., Glenarden. Free. 301-772-5477.

COLLEGE PARK ARCHIVES TALK, archivists Joe Schwartz and Mary Frances Morrow discuss Native American records housed at the National Archives 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.

HYATTSVILLE CHESS CLUB, for all ages, instructor Ted Fagan teaches the basics and helps players with experience brush up on their strategies. 7 p.m., Hyattsville Library, 6530 Adelphi Rd. Free. 301-985-4690.

HYATTSVILLE LIBRARY MEETING, the Prince George's County Memorial Library System Board of Library Trustees. 8 p.m., Administrative Offices, 6532 Adelphi Rd., Hyattsville. Free. 301-699-3500.

Friday 10

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.

LANHAM PLANETARIUM PROGRAM, the positions of comets discovered by astronomer Charles Messier. 7:30 p.m., Howard B. Owens Science Center, 9601 Greenbelt Rd., Lanham. $4; seniors and ages 6-18, $2. 301-918-8750.

Saturday 11

FAIRMOUNT LIBRARY MEETING, the Friends of the Fairmount Heights Library discuss fundraising, volunteering and special projects. 10 a.m., Fairmount Heights Library, 5904 Kolb St., Fairmount Heights. Free. 301-883-2650.

LARGO STORY TIME, for ages 3-5. 10:30 a.m., Largo-Kettering Library, 9601 Capital Lane, Largo. Free. 301-336-4044.

KETTERING COMMUNITY DAY, live entertainment, a moon bounce, face-painting, line- and hand-dance demonstrations, health exhibits, contests and vendors; food will be sold. Sponsored by the Kettering Civic Federation. 11 a.m.-8 p.m., Kettering Community Center, 11800 Chesterton Dr., Kettering. Admission is free. 301-218-0258.

ALL ABOUT OWLS, for ages 8-10, an interactive program with crafts and games. 1-2 p.m., Patuxent Research Refuge, North Tract, Route 198, between the Baltimore-Washington Parkway and Route 32, Laurel. Free; registration required. 301-497-5887.

Sunday 12

BIRDING PROGRAM, for ages 16 and older, a walk and lecture about bird identification, habitats and birding equipment; binoculars and field guides recommended. 7:30-8:30 a.m., National Wildlife Visitor Center, Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. Free; registration required. 301-497-5887.

BUTTERFLY HIKE, for ages 10 and older, a guided three-mile walk to learn about butterflies and their role in the ecosystem and to identify species common to Maryland. Field guides recommended; bring water and dress appropriately. 9 a.m.-noon, Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; registration required. 301-497-5887.

Monday 13

LARGO BOOK TALK, a discussion of Marjorie Kemper's novel, "Until That Good Day," about a traveling salesman who "passes" as white in 1930s Louisiana. 1:30 p.m., Largo-Kettering Library, 9601 Capital Lane, Largo. Free. 301-336-4044.

FORT WASHINGTON SCRABBLE GROUP, for all experience levels. 6:45 p.m., Sipp'ss Cafe, 10707 Indian Head Hwy., Fort Washington. Free. 301-868-6360.

Tuesday 14

COMPUTER CLASSES FOR SENIORS, for ages 60 and older, classes in the components of a computer system, computer games and maintenance. 9:30 a.m.-noon Tuesdays, through Oct. 19, or 9:30 a.m.-noon Thursdays, Sept. 16-Oct. 21. Prince George's Sports and Learning Complex, 8001 Sheriff Rd., Landover. $48; residents of Prince George's and Montgomery counties, $40. Registration required. 301-583-2430.

BADEN LIBRARY MEETING, the Baden Friends of the Library discuss fundraising, volunteering and special projects. 6:30 p.m., Baden Library, 13603 Baden-Westwood Rd. Free. 301-888-1152.

LARGO CHESS FOR BEGINNERS, for all ages. 7 p.m., Largo-Kettering Library, 9601 Capital Lane, Largo. Free. 301-336-4044.

Wednesday 15

GREENBELT BOOK DISCUSSION, John Kennedy Toole's Pulitzer prize-winning comic novel "A Confederacy of Dunces," set in New Orleans. 2 p.m., Greenbelt Library, 11 Crescent Rd., Greenbelt. Free. 301-345-5800.

FAIRMOUNT HEIGHTS CHESS CLUB, for beginning and intermediate-level players 13 and older, with instructor Ted Fagan. 5 p.m., Fairmount Heights Library, 5904 Kolb St., Fairmount Heights. Free. 301-883-2650.

LANDOVER MATH WORKSHOP, for ages 13-18, preparation for the Maryland math functional test. 6-7:30 p.m., Sept. 15-Oct. 6, Prince George's Sports and Learning Complex, 8001 Sheriff Rd., Landover. $36; residents of Prince George's and Montgomery counties, $30. Reservations required; call301-583-2430 or go to the Web site www.pgsportsandlearn.com.

Thursday 16

COLLEGE PARK ARCHIVES TALK, archivist and genealogy specialist Constance Potter discusses the population census schedules from 1790 to 1930 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.

CLINTON RETIREES DISCUSSION, Floyd Johnson of the Prince George's Department of Family Services will discuss services provided by the department to seniors in the county; a meeting of the National Association of Retired Federal Employees, Southern Prince George's County Chapter 1260. 1 p.m., Surratts-Clinton Library, 9400 Piscataway Rd., Clinton. Free. 301-735-6169.

CREATURES THAT FLY, for ages 5-7, an interactive program about bugs, birds and bats with stories and songs. 4-5 p.m., National Wildlife Visitor Center, Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. Free; registration required. 301-497-5887.

-- Compiled by LISA MARTIN

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