There are only seven sections because the book is intended to be a quick read. It is somewhat a reference book, though, because much is packed into it and it covers a great deal. The book is concise, but generally thorough in relaying key essentials for gardening and for planning out and establishing a landscape. Points are made that relate to these tasks. The warmer and hotter areas in the southern American states (and in Hawaii) are the more at-issue...