Life is a matter of passing the time enjoyably. There may be other things in life, but I've been too busy passing my time enjoyably to think very deeply about them.
It's important to realize that the series actually grows with the reader. "March: Book One" is a great introduction for kids as young as eight or nine years old. But then they grow with the reader. Book Two is bigger, Book Three is even bigger. And they grow more violent and more confrontational.