“Labels in Our Lives,” environmental scientist Jenna Luek discusses ingredients in household products and processed food. 7 p.m., Calvert Library, 850 Costley Way, Prince Frederick. Free; registration required. 410-535-0291 or 301-855-1862.
“Calvert Conversations,” local history discussion. 10-11 a.m., Calvert Library Twin Beaches Branch, 3819 Harbor Rd., Chesapeake Beach. Free. 410-257-2411.
Résumé and cover letter workshop, how to create effective résumés and cover letters. Bring a résumé and cover letter to edit. 1-3 p.m., Calvert Library, 850 Costley Way, Prince Frederick. Free. 410-535-0291 or 301-855-1862.
Code Name 4-5-6 for kids, for students in grades 4-6; reading and other activities. This month’s topic is “Walk Like an Egyptian.” 6:30-7:30 p.m., Calvert Library Twin Beaches Branch, 3819 Harbor Rd., Chesapeake Beach. Free. 410-257-2411.
Sustainability of nonprofits, learn how to improve an organization’s financial health. 10 a.m.-noon, Calvert Library, 850 Costley Way, Prince Frederick. Free, registration required. 410-535-0291 or 301-855-1862.
JobSource Mobile Career Center, job counseling and résumé help. 1-4 p.m., Calvert Library Twin Beaches branch, 3819 Harbor Rd., Chesapeake Beach. Free. 410-257-2411.
Sotterley Plantation farmers market, local produce only. 8 a.m.-noon, Historic Sotterley Plantation, 44300 Sotterley Lane, Hollywood. 301-373-2280.
Mechanicsville yard sale, located just past Captain Leonard’s, at 27301 Three Notch Rd. Hosted by NAMI. 7 a.m.-2 p.m., 27215 Three Notch Rd., Mechanicsville. Donations welcome. 240-320-3422.
St. Mary’s County hazardous waste collection, contact the St. Mary’s Department of Public Works and Transportation for information on acceptable items. 8 a.m.-4:30 p.m., St. Andrews landfill, 44825 St. Andrews Church Rd., California. 301-863-8400 or www.stmarysmd.com/dpw/RecycleAnnouncements.asp.
Calvert Memorial Hospital thrift store, proceeds benefit the Sheldon Goldberg Center for Breast Care. 9 a.m.-3 p.m., Bright Center West, 7920 Southern Maryland Blvd., Owings. 410-414-4523.
Fossil Field Experience, search for fossils on the beach and tour the paleontology hall. Admission includes museum tour. 9 a.m., Calvert Marine Museum, Cove Point Lighthouse, 14200 Solomons Island Rd., Solomons. $20, reservations required. 410-326-2042.
Hazardous household waste collection, 9 a.m.-3 p.m., Charles County Department of Public Works, 10430 Audie Lane, La Plata. Free. 301-645-0580.
“Garden Smarter” workshop, learn about plants that attract butterflies. 10-11:30 a.m., Calvert County Community Resources Building, 30 Duke St., Prince Frederick. Free. 410-535-1600.
Chicken dinner fundraiser, hosted by Mechanicsville Volunteer Fire Department Ladies Auxiliary. 11:30 a.m.-4 p.m., Mechanicsville Volunteer Fire Department, 28165 Hills Club Rd. $14. 301-884-4709.
Chapman State Park fest, to celebrate the 211th birthday of Pearson Chapman, who constructed the 1840 Mount Aventine manor home at the park. Featuring a reenactor portraying Chapman, plus Irish music for kids, birthday cake and discussion of the extinct passenger pigeon. 1-5 p.m., Chapman State Park, 3452 Ferry Pl., Indian Head. Free. 301-753-6754 or www.friendsofchapmansp.org.
Chesapeake Community Chorus practice, a volunteer chorus that performs concerts to benefit charities in Calvert County. 4-6 p.m., Huntingtown United Methodist Church, 4020 Hunting Creek Rd., Huntingtown. 301-855-7477 or email@example.com.
“Father Brown” book discussion, “The Innocence of Father Brown,” by G.K. Chesterton. Check out a copy at the library. 6 p.m., Lexington Park Library, 21677 FDR Blvd., Lexington Park. Free. 301-863-8188.
Pax River Quilters Guild meeting, demonstrations of various techniques. 6:30 p.m., Good Samaritan Lutheran Church, 20850 Langley Rd., Lexington Park. Free. 301-737-3083, www.paxriverquiltguild.com or firstname.lastname@example.org.
“The Cuckoo’s Calling,” discussion of the book by Robert Galbraith. Check out a copy from the library. 7 p.m., Charlotte Hall Library, 37600 New Market Rd. Free. 301-884-2211.
“The Goldfinch,” discussion of the book by Donna Tartt. 7-8:30 p.m., Calvert Library Twin Beaches branch, 3819 Harbor Rd., Chesapeake Beach. Free. 410-257-2411.
“Sea Squirts” program, drop-in program for children 18 months to 3 years and their caregivers. 10:30-11 a.m. Tuesdays and Thursdays, through Sept. 18, Calvert Marine Museum, 14200 Solomons Island Rd., Solomons. Free. 410-326-2042.
American Legion Tex-Mex dinner, hosted by the American Legion Stallings Williams Auxiliary Post 206. 7 p.m., Post 206, 3330 N. Chesapeake Beach Rd., Chesapeake Beach. $10. 301-855-6466 or www.ALpost206.org.
Eldercare seminar, Lee Ann Stedman, owner of Circle of Care, and Lyn Striegel, a lawyer at an estate planning group, discuss “Alzheimer’s and Dementias: Planning in the Early Stages.” Learn about power of attorney, living wills, co-signing accounts and managing passwords and medical records. 7 p.m., Calvert Library, 850 Costley Way, Prince Frederick. Free. 410-535-0291 or 301-855-1862.
Southern Maryland Civil War Round Table, guest speaker is James Robertson, professor emeritus of Virginia Tech. 7 p.m., College of Southern Maryland, 8730 Mitchell Rd., La Plata. Free. 301-934-7625 or www.somdcwrt.org.
JobSource Mobile Career Center, job counseling and résumé help. 1-4 p.m., Calvert Library, 850 Costley Way, Prince Frederick. Free. 410-535-0291 or 301-855-1862.
Lego Mania event, join a Lego building session. The theme is “rescue heroes.” 6:30-7:30 p.m., Calvert Library Twin Beaches branch, 3819 Harbor Rd., Chesapeake Beach. Free, registration required. 410-257-2411.
Solomons library Family Night, each month explore a different book. Activities and crafts. 7-8 p.m., Calvert Library Southern branch, 13920 H.G. Trueman Rd., Solomons. Free, registration required. 410-326-5289.
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