EMMITSBURG KNITTING CIRCLE, for teenagers and adults of all experience levels; bring your yarn and needles. 4 p.m. April 21 and the third Thursday of each month, Emmitsburg Branch Library, 300A S. Seton Ave., Emmitsburg. Free. 240-629-6329.
WALKERSVILLE BOOK TALK, Jeanne DuPrau's novels "The City of Ember" and "The People of Sparks." 7 p.m., Walkersville Branch Library, 57 W. Frederick St., Walkersville. Free. 301-845-8880.
FREDERICK PLASTIC SURGERY TALK, surgeons James Albertoli, Aryeh Herrera and Adam Mecinski discuss "State of the Art Plastic Surgery"; followed by questions and answers. 7-9 p.m., Frederick Surgical Center, 915 Toll House Ave., Suite 103, Frederick. Free. 301-694-3400.
MIDDLETOWN BOOK TALK, former U.S. Secretary of State Madeleine Albright's "Madam Secretary: A Memoir." 7:30 p.m., Middletown Branch Library, 101 Prospect St., Middletown. Free. 301-371-7560.
BRUNSWICK MAGIC SHOW, magician Frank Culler. 10:30 a.m., Brunswick Branch Library, 915 N. Maple Ave., Brunswick. Free. 301-834-9065.
FREDERICK CHILDREN'S THEATER, Blue Sky Puppet Theatre presents "Pig Tales." 2 p.m., C. Burr Arts Public Library, 110 E. Patrick St., Frederick. Free; tickets required (available at the children's desk). 301-694-1630.
THURMONT BOOK TALK, Tamora Pierce's series "Circle of Magic"; April 25, "Tris's Book"; May 23, "Daja's Book." 3 p.m., Thurmont Branch Library, 11 Water St., Thurmont. Free; registration required. 301-271-7721.
FREDERICK GRIEF SUPPORT GROUP, for people who have experienced the death of a loved one, Genesis Support Group, a self-help organization. 7-8:30 p.m. the second and fourth Mondays of each month, Hospice of Frederick County, 516 Trail Ave., Frederick. Free. 301-698-3030.
DISABLED ADULTS SUPPORT GROUP, a discussion of parenting concerns, including discipline, nutrition and medical, schooling and neighborhood issues; meet other parents facing the same issues. 10:30 a.m. Tuesdays, the Arc of Frederick County, 620A Research Dr., Frederick. Free; registration required. 301-663-0909 or 301-663-0936 (TDD).
FREDERICK MEDICAL LECTURE, gynecologist Janet Parnes discusses menopause, hormone replacement and alternatives, and answers questions. 7-9 p.m., Frederick Surgical Center, 915 Toll House Ave., Suite 103, Frederick. Free. 301-694-3400.
CROSS-GENERATION BOOK CLUB, for adults and children in grades 4-8, Andrew Clements' "The Landry News"; copies available for check out at the library. 7 p.m., Walkersville Branch Library 57 W. Frederick St., Walkersville. Free. 301-845-8880.
FREDERICK BOOK TALK, for grades 6-12, David Lubar's novel "Flip"; copies available for check-out at the front desk. 7-8 p.m., C. Burr Artz Library, 11 E. Patrick St., Frederick. Free. 301-694-1630.
BRUNSWICK BOOK GROUP, Barbara Ehrenreich's nonfiction work "Nickel and Dimed: On (Not) Getting By in America." 7:30 p.m., Brunswick Branch Library, 915 N. Maple Ave., Brunswick. Free. 301-834-9065.
MIDDLETOWN GENEALOGY CLUB, for adults and teenagers, trace ancestors using printed sources and AncestryPlus and HeritageQuest databases. 1 p.m., Middletown Branch Library, 101 Prospect St., Middletown. Free. 301-371-7560.