The Cal Poly Humboldt College of Arts, Humanities, and Social Sciences will welcome Humboldt County writer and activist Greg King for a special presentation of his new book, "The Ghost Forest: Racists, Radicals, and Real Estate in the California Redwoods," at 5:30 p.m. Oct. 5 in the Great Hall Community Center at Cal Poly Humboldt in Arcata. The Great Hall is located at the corner of Harpst and Rossow streets on the second floor above College Creek Market. Eureka Books will be on hand during the event to sell copies of "The Ghost Forest."