Author Betsy McCully will read from her new book At the Glacier’s Edge: A Natural History of Long Island from the Narrows to Montauk Point. Science writing, environmental history, and first-hand accounts from a longtime resident, describes the natural history of Long Island: how the island was formed at the end of the last ice age, how its habitats evolved, and how humans have radically altered the landscape. A Q&A and book signing will follow the reading. Free & open to the public. Sign up online at montauklibrary.org/events or call 631-668-3377.