define normal, please

The Normal Christian Life by Watchman Nee

How did I come about reading this book? A friend of mine gave me this book for my birthday.  It's one of her favorite books.
What did I learn about the author? He's Chinese.  You can read about him on wikipedia.
Is the book science fiction? You might think so by the title, but no.
Is the book illustrated? No. 
Do I like the characters? There weren't any characters because the book isn't fiction or a memoir.
Does the book remind me of anyone I know? Christians?
Is there an identifiable central conflict? Being human.  Being a believer. 
Did any part of the book inspire me in any way? Yes. This book was very encouraging and thought-provoking.
Will I read any other books by this author? Maybe, but I might have to read this one again because it required very deep thinking, and I'm sure I missed a lot of stuff.
How long did it take me to read the book? A super long time.  I think I started it in February.
What is one word that describes this book? Deep