Emily, their little book is pretty good, but you might check the subject "what are we forgetting to pack" under General Cruise Chat on this site, as there were lots of good suggestions there. Have a wonderful time!! Karen
Go to http://www.royalcaribbean.com
and pre-register online. Make sure to have your booking number to do this. Go to questions section and it will tell you everything you need to know - Good luck and be sure to post your experience from your trip. I go in August on Sovereign.