High Quality Content by WIKIPEDIA articles! Lady Eileen Brent, a fictional character known to her family and friends as "Bundle" Brent, was a spirited "It girl" in two novels of Agatha Christie (1890–1976), The Secret of Chimneys (1925) and The Seven Dials Mystery (1929). Following her marriage to a Foreign Office official, Bill Eversleigh, to whom she was affianced in the final chapter of The Seven Dials Mystery, she would have been known as Lady Eileen Eversleigh.