johnny lau has just written a book about the relationship between china is communist party and hong kong. but no publisher will touch it the 1st time that's happened to him since the hand over from britain 24 years ago. well, i think it is completely different. the politic go content almost disappear. well, in the book fair this year, and all the books, talking about politics, share the points of bills of the government. one author, however, takes the right boxes here. a 3 volume collection of speeches and writings by china's president, teaching ping on prominent display. the self censorship is evident. the titles on display here are safe, and that is a further reminder of the fact that hong kong is increasingly walking in political lock. step with the mainland. exhibit is may be wary of breaking the law, but that cushion has not dampened public interest with long queues outside the venue. come only, i can get the books i want here and also outside. i've just come here to have a look. we did find one book perhaps that fell into the politically risky category . the author is currently in