Warriors: Omen of the Stars is the fourth arc in the Warriors juvenile fantasy novel series about anthropomorphic feral cats. It comprises six novels published by HarperCollins from 2009 to 2012: The Fourth Apprentice, Fading Echoes, Night Whispers, Sign of the Moon, The Forgotten Warrior, and The Last Hope. The novels were written by Erin Hunter, a pseudonym that refers to authors Kate Cary, Cherith Baldry, and Tui Sutherland, as well as plot developer and editor Victoria Holmes. Omen of the Stars details the experiences of Jayfeather, Lionblaze, and Dovewing, who, as part of a prophecy, have special powers. The arc's themes deal with forbidden love and the effect that being different can have on relationships. Though the Warriors series has appeared on the New York Times Bestseller List,