Any of these that are series generally represent the whole series but I either don’t know which is my fave in the series or I don’t wanna list multiple books from the same series 
This is a mix of definitely all time faves and, I haven’t read in years I may need to reread to confirm, also, it’s possible there’s some recency bias idk, so if further down the line I feel like a book needs to be removed, it will be haha