'como se dice?
How do you say A book all about me!
i think it means how are you but i can't be sure
Todo un libro sobre mí!, if you are looking for translate, this is the most natural way.
I had have written "a book all about me"; it's named autobiografía.
If somebody else has written "a book all about me", it's named biografía.
Un libre todo acerca de mi. ~~ this is the translation direct~~~
a book all about me
Un libre todo sobre de mi ~~~this is another way in which might be more appropriate~~~
a book all on me
un libro todos sobre yo