I dontated books on Carnival to the crew member who staffs the library. I'm sure you can do the same on Princess.
Life is too short to let the ship of your dreams sail without you.
Carnival Destiny Feb. 2006
Carnival Fascination Feb. 2007
Royal Caribbean Grandeur of the Seas Feb. 2008 The DTW & MsBJ tour
Carnival Valor MsBJ and Dina Feb. 2009
Carnival Glory MsBJ and Dina Feb. 2010
Carnival Dream MsBJ and Dina Feb. 2011
My wife is a constant reader on a two week cruise she takes about 20 paperbacks and finishes them all she never brings them home. Most of the time she just leaves them in the laundrey room and someone else can enjoy them.