Why would you want to do that?
I am assuming that the ATPL will not cover all the PPL, because they would assume that you already know this when you start the ATPL.
I have not done the ATPL myself, but have seen the books, you would be dumb to base your PPL exams on reading the ATPL books, the ATPL books goes into more depth, but probably will not cover what you need for the PPL.
Would you use Master degree books in maths, to study for your A-levels in maths? Would be great if you could, but you probably would not understand 90% of what is written, because you do not know the basic fundaments.
I do wonder if sometimes, in the mind of human beings -
