Mark Manske will be signing copies of his new book, 'The Great Snowy Owl Caper,' at Nicandri Nature Center March 10, from 3-4:30 p.m. He will answer questions about local birds of prey. Books will be on sale for $12 at the signing. Manske gives many presentations on birds of prey throughout the North Country. He owns Adirondack Raptors, an education and research business. The Nicandri Nature Center is located at 19 Robinson Bay Rd.