[johnei]

There aren't a lot of books on Maserati in general.

This website has a list of what is out there from old hard to find books to newly published books.

http://www.maserati-alfieri.co.uk/trident01.htm

newer ones start here
http://www.maserati-alfieri.co.uk/trident08.htm

I have only seen a few of these in person but if you look around on Amazon they are sometimes available.