FREDERICK CIVIL WAR MEDICINE, a staff member discusses "Medical Caregivers of the Civil War." 12:15 p.m., National Museum of Civil War Medicine, 48 E. Patrick St., Frederick. $6.50; seniors, $6; ages 10-16, $4.50; 9 and younger free. 301-695-1864 or www.civilwarmed.org.
THORPEWOOD NATURE PROGRAM, for ages 3-5, a nature-oriented story program that includes a craft, activity and snack; sponsored by Emmitsburg and Thurmont branch libraries and the ThorpeWood Nature Retreat. 1 p.m., ThorpeWood, 12805-A Mink Farm Rd., Thurmont. Free; registration required. 301-271-2823.
EMMITSBURG KNITTING CIRCLE, for adults and teenagers of all skill levels; make scarves and shawls; bring needles and yarn. 4 p.m. today and the third Thursday of each month, Emmitsburg Branch Library, 300A S. Seton Ave., Emmitsburg. Free. 240-629-6329.
WALKERSVILLE BOOK DISCUSSION, for adults, a librarian leads a discussion of Edward P. Jones's novel "The Known World," about freed slaves who bought slaves for themselves in Manchester County, Va. 7 p.m., Walkersville Branch Library, 57 W. Frederick St., Walkersville. Free. 301-845-8880.
MIDDLETOWN LIBRARY BOOK DISCUSSION, a librarian leads a discussion of Ken Follett's novel "A Place Called Freedom," about an indentured 18th-century coal miner. 7:30 p.m., Middletown Branch Library, 101 Prospect St., Middletown. Free. 301-371-7560.
SIMULATED SCHOOL EXPERIENCE, for ages 3-5, story time and an opportunity for children to separate from caregivers and anticipate school life. 10-10:45 a.m., Thurmont Branch Library, 11 Water St. Free. 301-271-7721.
MIDDLETOWN LIBRARY BOOK DISCUSSION, for ages 7-11, bring a friend and a favorite book to share. 2 p.m., Middletown Branch Library, 101 Prospect St., Middletown. Free. 301-371-7560.
EMMITSBURG LIBRARY BOARD GAMES, for age 6 and older; children ages 6-7 must be accompanied by an adult, chess, checkers, Parcheesi and other games. 2-4 p.m., Emmitsburg Branch Library, 300A S. Seton Ave., Emmitsburg. Free; registration required. 240-629-6329.
FREDERICK E-MAIL CLASS, for computer beginners who want to learn how to communicate with family and friends. 8:55 a.m., C. Burr Artz Public Library, 110 E. Patrick St., Frederick. Free; registration required. 301-694-1630.
EMMITSBURG RUBBER STAMP WORKSHOP, crafts-maker Nicole Seitler demonstrates how to use rubber stamps to create and decorate cards, bags and other items; participants may make a piece to take home. 11 a.m., Emmitsburg Branch Library, 300A S. Seton Ave., Emmitsburg. Free; registration required, 240-629-6329.
FREDERICK SINGLES DANCE, music by a disc jockey, snacks and a cash bar, sponsored by Frederick Singles. 6:30-10 p.m. the first, third and fifth Sundays of each month, Holiday Inn, Francis Scott Key Mall, routes 85 and 355, Frederick. $7. 301-682-6174 or www.fredericksingles.org.
BRUNSWICK BOOK DISCUSSION, a librarian leads a discussion of Alice Hoffman's novel "Blackbird House," about generations of tragedy in a Cape Cod colonial farmhouse. 4 p.m., Brunswick Branch Library, 915 N. Maple Ave., Brunswick. Free. 301-834-9065.
MIDDLETOWN GENEALOGY CLUB, for ages 13 and older, a librarian leads participants in search for ancestors on the Internet and through printed resources. 1 p.m. Aug. 25 and the last Thursday of each month, Middletown Branch Library, 101 Prospect St., Middletown. Free. 301-371-7560.
-- Compiled by GERRI MARMER
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