hill's third novel, "reunification: a monterey mary returns to berlin", was published in 2013, on the occasion of the 50th anniversary of the first permanent buildings on teufelsberg, the operational home of field station berlin. the novel is set in berlin after the fall of the berlin wall. the main characters are an american who used to be stationed in berlin and his old "long-haired dictionary,” who is not thrilled to see him again. the novel is a juxtaposition of berlin in the 1970s with berlin in the 2010s, spiced up with stories of american intelligence escapades. the novel explores the difficulties of post-reunification reconciliation, both within germany and between germany and the united states.