Tuesday, Oct. 6

Port Washington resident Cathleen Seaquist and her sister, Tina Ellerby, discuss their book, "Now Heal This: Eating to Save Your Life." At 6:30, The Dolphin Bookshop, 299 Main St., Port Washington; 516-767-2650, thedolphinbookshop.com

Actor Jason Segel ("The End of the Tour," TV's "How I Met Your Mother") speaks about and signs copies of his new children's book, "Nightmares! The Sleepwalker Tonic." At 7 p.m., Book Revue, 313 New York Ave., Huntington; 631-271-1442, bookrevue.com

Huntington author Kerriann Flanagan Brosky discusses and signs copies of "Historic Haunts of Long Island: Ghosts and Legends from the Gold Coast to Montauk Point." Adults only. At 7 p.m., Babylon Library, 24 South Carll Ave., Babylon; 631-669-1624, babylonlibrary.org

 

Saturday, Oct. 10

Former Newsday city editor Paul Moses discusses "An Unlikely Union: The Love-Hate Story of New York's Irish and Italians." At 5 p.m., Canio's Books, 290 Main St., Sag Harbor; 631-725-4926, caniosbooks.com

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Sunday, Oct. 11

An evening with humorist David Sedaris ("Me Talk Pretty One Day," "Let's Explore Diabetes with Owls"). Tickets $80-$110. At 8 p.m., Westhampton Beach Performing Arts Center, 76 Main St., Westhampton Beach; 631-288-1500, whbpac.org