I know that Simple Past implies completeness.
I read the book. (past)
This sentence means that I completely read the book in the past.
α) Is it the same for Future Simple?
I will read the book.
What does this sentence mean (I will start reading it or read it completely)?
β) What if specify time periods?
I will read the book by September 2013.
I will read the book after Wednesday.
What do you infer from these sentences?