One of the best tools to expand a persons horizon's and offer alternative ways of looking at the same situation is by reading

Here is a partial list of some good books that offer a different perspective on life

The Count of Monte Cristo, Alexander Dumas
The Idiot  Dostoevsky
Black Skin, White Masks  Wretched of the Earth  Franz Fanon
The Plague Albert Camus
The Plague Daniel Defoe
The Three Musketeers, Twenty Years After, The Man in the Iron Mask
all by of course Alexander Dumas.

and for the really sleepless nights:

The Internal Revenue Code.  See ya