I would say ´because the book was for me´.

dolu is an adjective. doluydu ´it was full´, modified with ile > full of happiness.

I think it is düşüyordu.

´The leaves of the trees in the rear of the garden were falling down on the ground which had turned yellow.´

sararmış is a participle, i.e. a verb yes.

Again, I think it is not ´face´ but ´surface´.

´I can see my life reflected on those brick walls.´

Grammatically it can refer only to the second or the third person: your heart, their own heart of the heart of a third part mentioned earlier.

I guess it is SG2 used in a generalized meaning: ´my mother and father who filled people´s hearts with deep contentment with their warm light´. But I am not sure.

´You know, father, there was an illustrated book that you gave me as a gift and as you see I cannot find that either.´

But there is much more to that mysterious işte  -  a native speaker can explain that better.

I think  -  and I am not sure  -  it is not anyone´s face but the surface of the mirror that they are talking about.

´Sometimes I cannot find our mirror which I used to look at when combing my hair.´

Sometimes I visit our demolished house. But the only thing I see of those beauties is a tall sapling which has been left in the middle of the garden.

Interesting sentences you have here.

My Try:

´my father who brought (me) up with his smiles´

In Turkish, if you want to call the person you are talking to (i.e. ´you´ ) a liar do you need to mark the person grammatically?

                               Yalancı!

                               Yalancısın!

Strangely enough, it is not clear to me.