 Their first major book , What Not to Wear , was published in 2002 . It gained them a British Book Award in 2003 for The TV & Film Book of the Year . The book outsold popular television chefs Jamie Oliver and Nigella Lawson when sale figures reached a total of 670 @,@ 000 copies , selling 300 @,@ 000 copies in just fifteen weeks . It was also selling 45 @,@ 000 copies a week at one point , and had sold 250 @,@ 000 copies before the peak book selling season had even begun . What Not to Wear made sales worth £ 8 @.@ 7 million which led to a £ 2 million book deal to produce more of their fashion books . 
