Okay, this is my own book. So instead of giving you a review here I will send you to a page that shows what other authors who have read it are saying. This web site has four pages devoted to the book:
Headings in Green
Authors Position:
Postheading 1: 18pt, 1 space. Text is 15pt
Authors Position:
Postheading 2: 14pt, 1 space. Text is 15pt
Authors Position:
Postheading 4: 13pt, 1.5 space below, Text is 15pt
Authors Position:
Postheading 3: 12pt, 1.5 space below, Text is 15pt