ReganBooks was an American bestselling imprint or division of HarperCollins book publishing house (parent company is News Corporation), headed by editor and publisher Judith Regan, started in 1994 and ended in late 2006. During its existence, Regan was called, by LA Weekly, "the world's most successful publisher". The division reportedly earned $120 million a year. ReganBooks focused on celebrity authors and controversial topics, sometimes from recent tabloids.