He has also explored themes of gender in his novels, including Commitment Hour in which people change sex every year, and Vigilant in which group marriages are traditional.
Woman's Hour | 25th Hour | 12-hour clock | Rush Hour 2 | The Colgate Comedy Hour | Rush Hour 3 | Children's Hour | The Children's Hour | Rush Hour | The Original Amateur Hour | Hancock's Half Hour | 24 Hour Party People | Zero Hour! | This Hour Has 22 Minutes | The Hour | Darkest Hour (band) | Darkest Hour | 24-hour news cycle | Zero Hour (comics) | The Violet Hour | The United States Steel Hour | The Smothers Brothers Comedy Hour | The Hour (magazine series) | The Glen Campbell Goodtime Hour | The Critical Hour | The Children's Hour (play) | The Brady Bunch Hour | The Bell Telephone Hour | King Biscuit Flower Hour | Idle Hour Stock Farm |