USED-BOOKS STORE, 9 a.m.-4:30 p.m., operated by the Citizens for the Charles County Public Library Inc. Book donations are welcome, and volunteers are needed. La Plata library, 2 Garrett Ave., La Plata. 301-934-9001.
BOY SCOUT TOY DRIVE, Troop 1321 collects new and used toys to benefit the Charles County Christmas Connection program. 9 a.m.-1 p.m., Wal-Mart, 11930 Acton Lane, Waldorf. 301-645-1561.
PARKINSON'S SUPPORT GROUP, support and education offerings on various aspects of the disease, open to people of all ages who have Parkinson's as well as their friends and family members. Held the fourth Saturday of each month. 2-4 p.m., Civista Medical Center Cafeteria, 701 E. Charles St., La Plata. Free. 888-332-4847.
RE-USE BARN, 8 a.m.-2 p.m. every Saturday. A selection of new and used items, including furniture, Christmas decorations, desks, appliances, exercise equipment, linens, toys, games, books, old records and collectibles. The service was created to keep usable items out of landfills. A reasonable donation is requested for some items; others are given away. 3810 Renner Rd., Waldorf. 301-645-5349 or 301-645-9451.
GIRL SCOUT TOY DRIVE, Troop 813 collects new and used toys to benefit the Charles County Christmas Connection program. 1-4 p.m., Wal-Mart, 11930 Acton Lane, Waldorf. 301-645-1561.
TALK OF THE TOWN TOASTMASTERS, meets the second and fourth Mondays of each month. 11:45 a.m.-12:45 p.m. Lexington Park Library, 21677 FDR Blvd., Lexington Park. 301-342-9094, 301-342-2367.
ST. MARY'S GENEALOGICAL SOCIETY MEETING, speaker Leonard Okrie discusses computer restoration of old family photographs. 7 p.m., Garvey Center, 41780 Baldridge St., Leonardtown. Free. 301-373-8458 or 410-326-4435.
"ANCIENT ROMAN CIVILIZATION," a continuing education course for adults exploring the lives, cultures, politics and art of the ancient Romans. 10 a.m.-noon Mondays and Wednesdays, through Dec. 14. College of Southern Maryland, Prince Frederick campus, 115 Williams Rd, Prince Frederick. 443-550-6199, Ext. 7652. www.csmd.edu.
BINGO, 7-10 p.m. Tuesdays. Features prizes and food. Bryans Road Volunteer Fire Department and Rescue Squad, 3099 Livingston Rd., Bryans Road. 301-375-7055.
"FREEDOM FROM SMOKING," registration available for a smoking cessation program designed by the American Lung Association with eight sessions, beginning Jan. 10 and ending Feb. 21. Southern Maryland Hospital, 7503 Surratts Rd., Clinton. $25. 301-877-7370.
CHARLES COUNTY CHRISTMAS CONNECTION FOR THE CHILDREN, accepting monetary donations and new toys to provide to less fortunate children. Donations can be made 9 a.m.-4:30 p.m. Monday-Friday until Dec. 12. Children's Aid Society building, 3000 Huntington Cir., Waldorf. 301-645-1561 or 301-645-2207.
FOOD PANTRY, recipients will be interviewed and required to complete an application. Donations are accepted. Held last Wednesday of each month. 1-3 p.m., Calvary Gospel Church, Family Life Center, 11150 Berry Rd., Waldorf. 301-843-5588 or 301-952-9008.
"THE DISCOVERY OF NON-EUCLIDEAN GEOMETRY," mathematician and St. Mary's College of Maryland assistant professor Susan Goldstine delivers a lecture addressing the differing takes on Euclid's fifth postulate. 4:40 p.m., St. Mary's College of Maryland, Schaefer Hall 106, 18952 E. Fisher Rd., St. Mary's City. Free. 240-895-4381.
"TRANSITIONING TO COLLEGE FOR STUDENTS WITH DISABILITIES," representatives from the College of Southern Maryland will give information to parents and students on the admissions process, documentation requirements for those with disabilities by higher education institutions and accommodations available to them on campus. 7-9 p.m., the college's La Plata campus, Rooms BI-103 and 104, 8730 Mitchell Rd., La Plata. Free. To reserve, call 301-934-7614. Charles County residents call 301-870-2309, Ext. 7614; St. Mary's County residents call 240-725-5499, Ext. 7614; Calvert County residents call 443-550-6199, Ext. 7614.
HOLIDAY DECORATING WITH LIVE GREENS, tips on how to use live greens for holiday wreaths, as well as other pointers for holiday decor, such as bow-making. 7 p.m., Prince Frederick branch library, 30 Duke St., Prince Frederick. Free. 410-535-0291 or 301-855-1862.
SOUTHERN MARYLAND CROPS CONFERENCE, an opportunity for those involved in agriculture to meet and discuss common problems and hear from speakers about the latest in agricultural production and management. 8:30 a.m.-4 p.m., Holiday Inn, 45 St. Patricks Dr., Waldorf. $5. 301-475-4484 or 301-753-8195. For special assistance, call 301-934-5403.
"INTRODUCTION TO E-MAIL," an adult computer class in which new users set up their own accounts and send and receive messages in order to learn the rudiments of e-mail. 5:30 p.m., Lexington Park library, 21677 FDR Blvd., Lexington Park. Free. 301-863-8188.
CHARLES COUNTY LITERACY COUNCIL MEETING, active and inactive tutors, non-tutor volunteers and students are invited to attend. 7 p.m., Lifelong Learning Center, 12300 Vivian Adams Dr., Waldorf. 301-870-5974.
NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES ASSOCIATION MEETING, the Western Charles County and Indian Head Chapter 126 meets at 1 p.m. Potomac Heights Community Center, Glynmont Road and Cedar Lane, Indian Head. Entertainment provided by the Charles County Senior Show Troupe. Free. 301-743-9445.
CALVERT COUNTY HISTORIC DISTRICT COMMISSION PROGRAM, an illustrated presentation from Howard Wellman, a professional objects conservator, about caring for and repairing historic gravestones. 7 p.m., Mount Olive United Methodist Church, 811 Dares Beach Rd., Prince Frederick. Free. 410-535-1600, Ext. 2504.
BINGO, every Thursday, sponsored by the American Legion Post 82 Auxiliary. Doors open at 6 p.m.; early-bird games, 7:15 p.m., 6330 Crain Hwy., La Plata. One pack, $15; two packs, $23; three packs, $30; four packs, $36; early bird, $1 per pack. Winner-take-all and jackpot, $1 per sheet. 301-638-4261.
-- Compiled by MICHAEL TUNISON
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