Author events on Long Island, week of Jan. 21

Monday, Jan. 22

Leif Cocks, head of The Orangutan Project, talks about and signs copies of his book, “Orangutans, My Cousins, My Friends: A Journey to Understand and Save the Person of the Forest.” Co-sponsored by the Nature Conservancy. At 7 p.m., Sachem Public Library, 150 Holbrook Rd., Holbrook; 631-588-5024, sachemlibrary.org

Tuesday, Jan. 23

Playwright Robert Karmon of Syosset discusses and signs copies of his new novel, “Isaac,” $10 fee. At 11 a.m., Mid-Island J.C.C., 45 Manetto Hill Rd., Plainview; 516-822-3535, miyjcc.org

Thursday, Jan. 25

Author David M. Griffin gives a talk and signs copies of “Lost British Forts of Long Island,” part of the Huntington Historical Society’s Lunch & Learn series. Must register; $50 fee includes lunch. At noon, Black and Blue Restaurant, 65 Wall St., Huntington; 631-427-7045, huntingtonhistoricalsociety.org

Saturday, Jan. 27

The YA historical novelist “Aunt Claire” discusses and signs copies of “Grace Harlowe’s Freshman Year at High School” and “The Automobile Girls at Newport: or, Watching the Summer Parade.” At 1 p.m., Lake Grove Barnes & Noble, 600 Smith Haven Mall, Lake Grove; 631-724-0341

Long Island Authors Group members James A. Demeo (“What’s Your Plan: A Step-by-Step Guide to Keep Your Family Safe During Emergency Situations”), Karen T. Harter (“Jeremiah Strout and the Curse of the Golden Harp”), Lisa Diaz Meyer (“All Roads Home: A Collection of Short Stories”) and Debbie De Louise (“Written in Stone: Cobble Cove Mystery #3”) discuss their work and sign copies of their books. At 2 p.m., The Dolphin Bookshop & Café, 299 Main St., Port Washington; 516-767-2650, thedolphinbookshop.com