All good non-fiction books contain the following characteristics:
Accuracy – There is no point in providing information to the reader if it is wrong. At best, works that is misleading and, at worst, defamatory or libelous, poorly tested work can cause a lot of trouble for writers (and editors). In the end, the book will fail and deceive its readers.
Please understand that these are facts. You can also read several non fiction books online. You can also get more information about non-fiction books at https://ep.intelxsys.com/exponential-progress/non-fiction-book/.
There is no right or wrong about opinions or assumptions. Here, as long as his reasoning is explained, the writer has free control to avoid conventional thinking. In fact, we encourage it positively.
Credibility – There's no point correcting facts if the reader doesn't trust you. Fortunately, there are several things writers can do to increase the authenticity of a work.
First, the writer can become a recognized expert on the subject he is writing about. It is clear that you are you or you are not, and this is not easy to change. That's fine, of course, but books written by people known to be experts will always be useful.
The second thing a writer can do to build trust in a book is to write in a confident, knowledgeable tone. Any book should be easy to read. Just because a book covers a dry subject does not mean that it can be accepted as a test of endurance. Books have to be stimulating.
Readers must be excited and not afraid to open a new page. It doesn't matter whether the writer chooses to do this by writing a book that is funny, interesting, thought-provoking, or fun, as long as it's fun.