The history of the Erin Hunters By massdestructiondevicenerd 2003 Victoria Holmes is asked to make a series about feral cats, Harper Collins ask Holmes to make a feral cat series, Kate Cary was brought in to help Jan 21, 2003 the first warriors book is released Period: Jan 21, 2003 to Oct 1, 2004 Warriors series one Oct 14, 2003 Forest of secrets is released The third warriors book is released, and with it, Cherith Baldry joined Period: May 10, 2005 to Dec 26, 2005 warriors series two May 29, 2007 Secrets of the clans is released and tui sutherland joins the erin hunters