He goes into process of writing a book with razor sharp detail.
Stephen King - On Writing:
https://www.amazon.com/dp/0743455967?tag=0596800673-20&c...;
This is what Roger Ebert said about the book:
"A lot of people were outraged that he [King] was honored at the National Book Awards, as if a popular writer could not be taken seriously. But after finding that his book On Writing had more useful and observant things to say about the craft than any book since Strunk and White's The Elements of Style, I have gotten over my own snobbery."
https://www.amazon.com/Pyramid-Principle-Logic-Writing-Think...
https://www.amazon.com/Writing-Stephen-King/dp/1444723251/
To paraphrase some of King's advice:
"Read a lot and write a lot".