One of the most well known technical books on the Alfa 750/101/105/115 series cars. Written by Pat Braden. Being a USA publication it has a useful section on the Spica fuel injection system. It also has a good section on drum brakes for Giulietta owners.
The first 6 chapters cover the history of the cars (100 or so pages) then follows a great, in depth workshop manual covering another 120 pages. It then finishes with a guide to buying and restoration.
280 pages in total.