Author presentation, 4 to 5:30 p.m., Rehoboth Beach Museum, 511 Rehoboth Ave., Rehoboth. Author Denise Clemons to explore history of various regional favorites unique to southern Delaware based on research from her book, “A Culinary History of Southern Delaware: Scrapple, Beach Plums, and Muskrat,” registration required. Go to conta.cc/3OuWeeS, or call 302-227-7310.