Diane Galusha, author of the newly republished "Liquid Assets: A History of New York City's Water System," will speak and sign books at Morgan Outdoors, 46 Main St., 3pm. In conjunction with the “Celebrating Catskill Waters: Past and Present” exhibition at Morgan Outdoors through Sunday, July 10. 845/439-5507.
At Empowering Port Jervis Community Center, 11 Fowler St., 2pm. Demonstration and lecture on Chinese martial arts including Tai Chi and all Chinese boxing systems (Kung Fu). Demonstration by Mr. Santiago, who is an official judge and coach in national and international tournaments. All martial arts welcome. All ages. Free.
Town of Lumberland Museum presents: People and Places in a Gilded Age: Lecture, memorabilia and photos at Lumberland Town Hall, 1054 Proctor Rd., 11am. 845/856-6372.
Writing under the pseudonym Claire Gem, Middletown native Frances Brown, now of Webster, Massachusetts, will present a book talk and signing of her award-winning, romantic suspense novel Hearts Unloched at The Sullivan County Historical Society’s Museum, 2-4pm.
Introduction to the Laser Cutter at Hurleyville Maker's Lab, 5pm.
Learn how this versatile piece of equipment works and how to get started on a cool project. 845/707-8564.
Class is every Wednesday evening at the Hurleyville Maker's Lab, 5:30pm. Learn the basics of 3D printing: the applications, software and related equipment. There is no cost for lab members, $10 per class for non-members. Visit HurleyvilleMakersLab.org.
Living with White-tail Deer The truth about Lyme disease at Lacawac Sanctuary, 9am-3pm. Outdoor writer and environmental consultant, Ron Tussel, will answer your questions about deer biology, management strategies and chronic wasting disease. Lunch is provided. Cost: $15 general admission, $10 members. 570/689-9494.
Carol Ann MacMaster will begin the Equinunk Historical Society's season of genealogical exploration with "Genealogy 101: Then and Now," 1pm. 570/224-6722.
Craig Russell, President of the Society for the Preservation of Poultry Antiquities, returns to the Catskill Exotic Bird Club, 7:30pm. Probably the most knowledgeable poultry historian living today, Russell will give an entertaining presentation about rare and weird breeds of chickens. 845/794-7966.
The Neversink Valley Museum of History and Innovation will host a talk by Dr. Richard Hull on "The Battle of Minisink: Differing Perspectives" at the D & H Canal Park Visitor’s Center, 58 Hoag Rd., 7pm. Suggested donation is $7 for non-members/$5 members. 845/754-8870.