Warriors: Power of Three is the third arc in the Warriors juvenile fantasy novel series about anthropomorphic feral cats. The arc comprises six novels which were published from 2007 to 2009: The Sight, Dark River, Outcast, Eclipse, Long Shadows, and Sunrise. The novels are published by HarperCollins under the pseudonym Erin Hunter, which refers to authors Kate Cary, Cherith Baldry, Tui Sutherland and plot developer/editor Victoria Holmes.