Ebooks are a bit like regular books, but on a diet. Ebooks are typically subjected to the proverbial lap band surgery. They cut through a lot of text to reduce the overall bulk of the project making the reader feel fuller faster.
Because ebooks are composed, delivered and read in an electronic format that is often useful to readers who skim the format and low bulk is the most acceptable type of reading for those with a hectic lifestyle. In essence ebooks are often developed in a way that condenses word counts and descriptions while increasing subtitles, bullet points and positive take away information for the reader.
If you were to look at a printed form counterpart to an ebook it may be more like a novella or even a pamphlet in size.
The reason this strategy works so well in ebook formats is because there is significant demand for niche oriented ebook sales, distribution and consumer download.
When you write for a very small niche you may not be able to compose a 40,000-word manuscript to meet the demands of most current traditional publishers. Generally speaking these publishers would not be interested in most niche subjects anyway.
So, you...