ONLINE: GHOST SHIPS Explore the stories behind history's most famous...

ONLINE: GHOST SHIPS

Explore the stories behind history's most famous ghost ships and abandoned vessels, found at sea with their crews having mysteriously vanished, including the Flying Dutchman, the Mary Celeste, the Charles W. Morgan and more, presented by The Whaling Museum & Education Center of Cold Spring Harbor, 11 a.m. to noon Tuesday, hosted by Great Neck Library, free, register at greatnecklibrary.org, 516-466-8055. Credit: Getty Images/Keystone

Many listed events are virtual; please call ahead before going to any event.

LIVE AT THE LIBRARY: HITS THROUGH THE DECADES

The Paul Effman Band performs an assortment of beloved songs from Broadway, popular movies, jazz standards, soft rock and more, 2 to 3:30 p.m. Sunday, Bethpage Library, 47 Powell Ave., Bethpage, free, register at bethpagelibrary.info, 516-931-3907.

MCCARTNEY BEYOND THE BEATLES

A multimedia look at Paul McCartney’s music career after The Beatles, 7 to 9 p.m. Monday, Port Washington Library, 1 Library Dr., Port Washington, free, pwpl.org, 516-883-4400.

ONLINE: PARANORMAL LONG ISLAND

Examine some of Long Island’s most mysterious history, including hauntings, secret government experiments, UFO crashes and more, 7 to 8 p.m. Monday, hosted by West Babylon Library, free, register for a link at wbab.suffolk.lib.ny.us, 631-669-5445.

WILLS AND HEALTH CARE PROXIES

Senior Services of North America discusses the importance of a will and a health care proxy, 7 to 8:30 p.m. Tuesday, Hempstead Library, 115 James A. Garner Way, Hempstead, free, register at the reference desk, hempsteadlibrary.info, 516-481-6990.

THE KNITTIN’ GANG

Learn new knitting and crocheting techniques and create projects, beginners are welcome, 6 to 7:45 p.m. Tuesday, Lakeview Library, 1120 Woodfield Rd., Rockville Centre, free, register at lakeviewlibrary.org, 516-536-3071.

PRESERVING YOUR ORGANIC HARVEST

Learn how to preserve your garden harvest for the year to come, 11 a.m. to noon Tuesday, Huntington Library, 338 Main St., Huntington, free, register at myhpl.org, 631-427-5165.

ONLINE: LEARN HOW TO LOWER YOUR PRESCRIPTION COST

Learn information on the demographics of prescriptions in the United States, prescription safety will be addressed, as well as education on how to reduce the cost of medications, 11 a.m. to noon Tuesday, hosted by Peninsula Library, free, visit peninsulapublic.org for a link, 516-239-3262.

MEDICAID ENROLLMENT HELP FOR THE AGED, BLIND AND DISABLED

Nassau-Suffolk Hospital Council’s facilitated enrollers assist the aged, blind and disabled populations to enroll in Medicaid, Medicaid Buy-In for Working People with Disabilities (MBI-WPD), Medicaid Spend-Down, Medicare Savings (MSP) and Medicaid for Institutional Care in a Nursing Home, noon to 4 p.m. Tuesday, Longwood Library, 800 Middle Country Rd., Middle Island, free, first come, first served, longwoodlibrary.org, 631-435-3000.

WOMEN’S RETIREMENT ROAD MAP

A financial adviser discusses retirement challenges in detail and how they might influence your lifetime retirement income and financial well-being, 6:30 to 7:30 p.m. Tuesday, Amityville Library, 19 John St., Amityville, free, register by email at adult@amityvillepubliclibrary.org, include "Women's Retirement Road Map" in the subject line and your full name in the body, amityvillepubliclibrary.org, 631-264-0567.

THE CROWN: HISTORY VS. THE HIT SERIES

Discover revealing truths about the streaming series “The Crown,” 1 to 2 p.m. Wednesday, Rockville Centre Library, 221 N. Village Ave., Rockville Centre, free, register at rvclibrary.org, 516-766-6257.

ONLINE: BREAST CANCER — PREVENTION, DIAGNOSIS AND TREATMENT OPTIONS

Breast surgical oncologist Dr. Jana L. Deitch discusses the importance of annual breast cancer screenings, self-exams and the latest treatments, 5 to 6 p.m. Tuesday, hosted by Elwood Library, free, Suffolk County cardholders can register for a link at elwoodlibrary.org, 631-499-3722.

LATIN AMERICAN TRADITIONAL MEDICINE

Learn how traditional medicine is an integral part of the culture in Latin America and how it coexists with modern medicine in a multitude of ways, 7 to 8 p.m. Wednesday, free, register at Freeport Memorial Library, 144 W. Merrick Rd., Freeport, free, register at freeportlibrary.info, 516-379-3274.

ONLINE: TO SLEEP, PERCHANCE TO DREAM

Learn how to overcome the nightly struggle to achieve a good night’s sleep, 6:30 p.m. Thursday, hosted by Hillside Library, free, register at hillsidelibrary.info, 516-355-7850.

ONLINE: HOW TO BUY TECHNOLOGY

Learn what to consider before buying technology, what goes into an informed purchase and how to find bargains online, 7 to 8 p.m. Thursday, hosted by Peninsula Library, free, visit peninsulapublic.org to view online, 516-239-3262.

ONLINE: POLITICS OF TEA — THE EAST INDIA COMPANY AND BRITISH TEA CULTURE

Explore the background of one of the most lucrative corporate venture the world has ever known, learn how tea infused British society and what to expect should you ever find yourself at afternoon tea, 2 to 3 p.m. Thursday, hosted by Syosset Library, free, syossetlibrary.org, 516-921-7161.

ONLINE: FILMS OF ALFRED HITCHCOCK

Discussion of the life and career of filmmaker Alfred Hitchcock, 2 to 3 p.m. Thursday, hosted by Oceanside Library, free, visit oceansidelibrary.com to view online, 516-766-2360.

OP-ED FRIDAYS

Discuss current events and our changing world, 2 to 4 p.m. Friday, Oct. 28, Huntington Library, 338 Main St., Huntington, free, register to attend in-person or online at myhpl.org, 631-427-5165.

LYME ESSENTIALS

Learn about Lyme disease and other tick-borne illnesses, a Q&A follows, 2 to 3 p.m. Friday, Oct. 28, John Jermain Memorial Library, 201 Main St., Sag Harbor, free, register at johnjermain.org, 631-725-0049.

With LaToya Rodriguez, Daniel Variano and Keri Wall-Treudler

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