What is the turner's ideas?

I can only assume you mean, "what are the main ideas in The Turner Diaries". Not having read it, I can only give you an excerpt from the Wikipedia article about that book -- I deleted the footnotes, since I haven't included them, but you can easily read the full article:

The Turner Diaries is a novel written in 1978 by William Luther Pierce (former leader of the white nationalist organization National Alliance) under the pseudonym "Andrew Macdonald". The Turner Diaries depicts a violent revolution in the United States which leads to the overthrow of the United States federal government, nuclear war, and, ultimately, to a race war leading to the extermination of all "impure" groups such as Jews, gay people, and non-whites. The book was called "explicitly racist and anti-Semitic" by The New York Times and has been labeled a "bible of the racist right" by the Southern Poverty Law Center.

The novel has been associated with a number of real-life violent crimes committed by white separatists and other radicals. Two pages of the book containing a scene depicting preparation for the bombing of the J. Edgar Hoover Building, the FBI national headquarters, were found in the getaway car of Timothy McVeigh, the perpetrator of the Oklahoma City bombing in 1995.

I hope that helps you, since I'm not sure what question you were really asking.