Ready to pack your bags and set sail? Before you go, you'll need to reserve your trip; here's how to do it with Yahoo! Travel. Direct your browser to Yahoo!. Select "Travel" from the left sidebar. Select "Cruises" from the tabs at the top of the Yahoo! Travel page. Choose your destination, your travel month, a preferred cruise line (if you have one) and the length of cruise you'd like to take. Click "Search." Select the cruise you'd like by clicking the "Select" box in that listing. Continue your booking by selecting either "Cruise Only" or "With Air" for the date you plan to travel. Select the cabin type and the particular cabin that you want to reserve. Click "Select." Fill out purchaser information and the information for the other traveler (if applicable). Click "Continue." Select insurance (if desired) and enter payment information. Click "Complete Reservation."