It's very very sweet in my son's room. I really like how they have turned out. In real life they cover a chimney breast effectivley. If you want to fill a whole wall be sure to check the measurements. The pictures online make them seem a little bigger. For the money you spend it's super and not over the top.
If you have read any of the other Tracy Hogg books you are basically getting the sleeping highlights. It's a helpful read, and we used some of her techniques and wisdom. I would stick to purchasing her other longer books than this short version.
This is at last a book written based on facts and science. It's a good balance to the more hardline approaches of controlled crying. It's a refreshing point of view and all about nurturing. But, as with any of these books you need to take away what works for you and your life.