Peter Berresford Ellis, an acknowledged expert on the Celtic world, is an historian, literary biographer and novelist. He is author of the bestselling Sister Fidelma historical mys...lihat lebih banyakPeter Berresford Ellis, an acknowledged expert on the Celtic world, is an historian, literary biographer and novelist. He is author of the bestselling Sister Fidelma historical mysteries (writing as Peter Tremayne).lihat lebih sedikit