Tuesday, Oct. 15

Letty Cottin Pogrebin discusses her book "How to Be a Friend to a Friend Who's Sick" (PublicAffairs). Tickets $10, reservations required. At 7:30 p.m., Sid Jacobson Jewish Community Center Gallery, 300 Forest Dr., East Hills; 516-484-1545, sjjcc.org

Wednesday, Oct. 16

Long Island author Henry Clark talks about his middle-grade novel, "What We Found in the Sofa and How It Saved the World" (Little, Brown Books for Young Readers). At 7 p.m., Sachem Library, 150 Holbrook Rd., Holbrook; 631-588-5024, sachemlibrary.org

Thursday, Oct. 17

Sag Harbor author Mac Griswold discusses her book "The Manor: Three Centuries at a Slave Plantation on Long Island" (FSG). At 1 p.m., Bryant Library, 2 Paper Mill Rd., Roslyn; 516-621-2240, bryantlibrary.org

Roslyn Heights author Scott D. Reich signs copies of his book "The Power of Citizenship: Why John F. Kennedy Matters to a New Generation" (BenBella Books). At 7:30 p.m., Temple Sinai of Roslyn, 425 Roslyn Rd., Roslyn Heights; 516-621-6800, mysinai.org

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Friday, Oct. 18

Stella Sands discusses her true-crime books "The Dating Game Killer," "The Good Son" and "Wealthy Men Only" (all from St. Martin's True Crime). At 7 p.m., Shelter Island Library, 37 N. Ferry Rd., Shelter Island; 631-749-0042, shelterislandpubliclibrary.org