This year's Hong Kong Book Fair has proved surprisingly popular with Canto-pop fans. F4, Twins, Shine, Gigi Leung Wing-kei, EO2 and Nicolas Tse Ting-fung . . . name a star and at least one of the hundreds of booths at the Hong Kong Convention and Exhibition Centre will have some product with their name or picture on it. Girls have been lining up for anything F4: jewellery boxes, notebooks, stationery, shopping bags, photos and calendars. 'My favourite is Chu Hsiao-tien because he is the only one in F4 who speaks Cantonese, and I appreciate his musical talents,' said 17-year-old Ah Ting, who spent $10 on the band's postcards. You still have the chance to stock up on some real books as the six-day event ends tonight.