Writing your first non-fiction book
‘First the length. In an age of ever-shortening attention spans, you have to have a pretty powerful message to keep anyone's interest for much over 75,000 words (about 300 pages). In fact, if you can't present your proposition in 300 pages, then you may have a problem with excessive verbiage you should deal with.
Then structure: as my background was working as a management consultant running organisational efficiency projects, I approached my first book like I would a project. I broke the book down into easily manageable pieces of work. If I was going to write about 75,000 words, then that meant around fourteen or fifteen chapters of around 5,000 words each. This hugely simplified the task of writing a book because now all I had to do was write fourteen or fifteen 5,000-word essays. By splitting the book into these fourteen or fifteen easily digestible chapters, the task of writing a book somehow seemed easier than when being faced with the need to produce 75,000 words. Moreover, to make the book even more digestible for readers, I split these fourteen or fifteen chapters into three to four sections of just a few chapters each...'
David Craig, management consultant and author of The Great Charity Scandal and Don't Buy It! in an article on the Andrew Lownie Agency website http://www.andrewlownie.co.uk/authors/david-craig