Presented by Jenni Murray. Audrey Niffenegger's "The Time Traveler's Wife" was a huge international bestseller. Audrey joins Jenni to talk about her latest book, "The Night Bookmobile". As the Supreme Court rules on pre-nuptial agreements, we discuss the impact on British couples. Caro Emerald is a Dutch singing sensation whose debut album is released in the UK this week. She'll be in the studio to sing live. And sex before the sexual revolution. What was the reality for couples in the first half of the twentieth century?