Madonna's Sex book is most wanted

Madonna's explicit 1992 coffee-table book Sex is the most sought after out-of-print title in the US of the past 12 months, according to BookFinder.com. The singer's limited-edition picture book caused controversy when it was first released for its risque images and went on to be a collector's item. The book search engine's annual report tracks the 100 most searched-for out-of-print titles. Promise Me Tomorrow, by US romance author Nora Roberts, came second