Hair and style

BOOKS BY THE SEA • Aug. 30: Gina Fava signs her latest book, “The Sculptor,” 2 to 4 p.m. at Books by the Sea, 846 Main St., Osterville. 508-420-9400. YELLOW UMBRELLA BOOKS • Aug. 30: Journalist Greg O’Brien, a Cape Codder and former editor and publisher of the Cape Codder and Register newspapers, and with 35 years of newspaper and magazine experience, will sign copies of his new book, “On Pluto ...