It is the stuff of escapist fantasy. A tall, dark and handsome type sweeps a cream-and-roses Home Counties heroine off her feet. In its 100 years of publishing, the exotic alpha male has been a staple of the Mills and Boon romance. The tale of the passionate desert sheikh who sweeps secretary Janna Smith off her feet in Violet Winspear's 1970 romance Tawny Sands is perhaps the quintessential Mills and Boon story.