give me any book you have

[navi tasan]

1) Give me any book you have on mathematics.
2) Give me any books you have on mathematics.

What is the difference between the meanings of these sentences?

Does #1 mean: "No matter how many books you have on mathematics, give me just one."?
Does #2 mean: "Give me all the books you have on mathematics."?

3) I really tried to make him tell me any secrets about his wife's past.

Does that mean that I tried to get all of the secrets he knew of his wife's past or I just wanted a secret about his wife's past and any secret would do?

 

[Tarheel]

1. Just one. It doesn't matter which one.
2. The word "any" doesn't mean "all"; however, it doesn't exclude "all" either.(See below.)

A: Give me any books you have on mathematics.
B: Do you want all of them?
A: Yes.

3. The person who made the statement knows what he means much better than I do.