Mark Manske will be signing copies of his new book, “The Great Snowy Owl Caper,” at Nicandri Nature Center Sunday, 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.