Well let’s see:
The Cassini-Huygens mission: orbiter In Situ investigations ( Kluwer Academic )
Mission to Saturn: Cassini and the Huygens probe ( Praxis )
Passage to a ringed world: Cassini-Huygens mission to Saturn and Titan ( NASA )
And more recently about the management difficulties:
The Titans of Saturn: Leadership and Performance lessons from Cassini-Huygens
Easiest way is to do a search at Amazon.co.uk ( or Amazon.com ) and You'll get a list with available books