GINGERBREAD HOUSE WORKSHOP, reservation deadline for a workshop sponsored by the College Park Arts Exchange. $25 per gingerbread house; send payment and the number of participants to College Park Arts Exchange, PO Box 784, College Park, Md., 20740. Payment must be received by Dec. 3. The workshop is at 1:30 p.m. Dec. 10, at Berwyn Presbyterian Church, 6301 Greenbelt Rd., Berwyn Heights. 301-927-3013.
HYATTSVILLE BOOK DISCUSSION, Ian McEwan's novel, "Atonement." 7:30 p.m., Hyattsville Library, 6530 Adelphi Rd., Hyattsville. Free. 301-985-4690.
ONLINE HOMEWORK HELP, for students in grades 4-12, teachers, tutoring in math, science, social studies and English, provided by teachers, university professors and graduate students. 2 p.m.-midnight daily; Spanish-speaking tutors in math and science, 2-10 p.m. Sundays to Thursdays. Available through www.pgcmls.info, the Prince George's County Memorial Library System.
SEABROOK SCHOOLHOUSE TOURS, a one-room schoolhouse built in 1896; sponsored by the Maryland-National Capital Park and Planning Commission. 11 a.m.-3 p.m. Friday and 1-4 p.m. Sunday, 6116 Seabrook Rd., Seabrook. Free. 301-464-5291.
BREAKFAST WITH SANTA, pancakes and sausages and a photo opportunity with Santa, sponsored by the Greenbelt Lions Club. 8-11 a.m., American Legion, Greenbelt Post 136, 6900 Greenbelt Rd., Greenbelt. $6; advance, $5; ages 6-12, $3; advance, $2; ages 5 and younger, free. 301-910-0050.
CHILDREN'S NATURE PROGRAM, for ages 5-7, an interactive presentation about the life of a sea otter. 1-2 p.m., National Wildlife Visitor Center, Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. Free; registration required. 301-497-5887.
LAUREL BIRD WALK, a park ranger leads a hike to search for birds in several refuge habitats; field guides and binoculars recommended. 9:15-11:15 a.m., Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; registration required. 301-497-5887.
ANNUAL MEMORIAL SERVICE, to honor members of the Benevolent and Protective Order of Elks, Prince George's County Lodge No. 1778, who died in the past year. Noon, at the lodge, 6700 Kenilworth Ave., Riverdale. Free. 301-864-1778.
COMPUTERS FOR BEGINNERS, for ages 18 and older, hands-on instruction. 9 a.m.-noon Monday and Wednesday, Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. $50; nonresidents of Prince George's and Montgomery counties, $60; registration required. 301-583-2430 or www.pgsportsandlearn.com.
UPPER MARLBORO BOOK DISCUSSION, for home-schooled students ages 8-12, Elizabeth George Speare's "The Bronze Bow." 3 p.m., Upper Marlboro Library, 14730 Main St., Upper Marlboro. Free. 301-627-9330.
PUBLIC SPEAKING CLASS, for ages 18 and older. 7-8:15 p.m., Potomac Landing Community Center, 12500 Fort Washington Rd., Fort Washington. Free; registration required. 301-292-9191.
AEROBICS, for people 55 and older. 6-7 p.m. Tuesdays and Thursdays, through Dec. 29, Lake Arbor Community Center, 10100 Lake Arbor Way, Mitchellville. $30; nonresidents of Prince George's and Montgomery counties, $36; registration required. 301-333-6561.
OXON HILL CHESS CLUB, for all ages, tips from instructor Chris Sevilla. 7 p.m., Oxon Hill Library, 6200 Oxon Hill Rd., Oxon Hill. Free. 301-839-2400.
HOLIDAY TREE LIGHTING, seasonal music, refreshments and a visit from Santa, sponsored by the city of Hyattsville. 7 p.m., Magruder Park, 40th Avenue and Hamilton Street, Hyattsville. Free. 301-985-5000.
FEDERAL RETIREES LUNCH, reservation deadline for a luncheon meeting with guest speaker U.S. Rep. Steny Hoyer (D-Md.) at 11:30 a.m. Dec. 14; sponsored by the National Active and Retired Federal Employees, Chapter 1122. $17, EJ's Landing Restaurant, 8601 Baltimore Ave., College Park. 301-345-7437.
SENIOR CENTER LINE DANCING, for people 60 and older. 10 a.m.-noon, Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
PETER PAN CLUB, for children3-5 accompanied by an adult, flying stories, pedal planes, crafts and games. 10:30 a.m. the second and fourth Thursdays of each month, College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Museum admission, $4; seniors, $3; ages 2-18, $2; ages 1 and younger, free. 301-864-6029.
MEDICARE DISCUSSION, for people 55 and older, lawyers will discuss Medicare at three senior centers; sponsored by the Law Foundation of Prince George's County and the Prince George's County Area Agency on Aging. 11 a.m.-1 p.m., Bowie Senior Center, 14900 Health Center Dr., Bowie; Camp Springs Senior Center, 6420 Allentown Rd., Camp Springs; and Glenarden Senior Center, 8600 Glenarden Pkwy., Glenarden. Free. 301-864-8354.
LIBRARY BOARD 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.
WREATH WORKSHOP, registration deadline for workshop on making evergreen wreaths, for ages 13 and older, to be held 7-9 p.m. Dec. 14. Materials provided; sponsored by the South Laurel Recreation Council Inc. The workshop will be at the Montpelier Mansion carriage house, Route 197 and Muirkirk Road, Laurel. $10. 301-776-2805.
-- Compiled by LISA MARTIN
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