It is a girl-power spy novel in which the love interest is a sexy and mysterious Arab man who just may be Osama bin Laden. Ginger Spice meets jihad. But what’s this about an overactive imagination?

Helen Fielding, creator of the Bridget Jones novels, casts a new heroine in her latest book, "Olivia Joules and the Overactive Imagination." (The title sounds like a Nancy Drew mystery, starring ...