We used this coupon book on our 1st trip to Alaska. It was recommended by RVers and we saved quite a bit. Went on a 2 for 1 plane ride to see Mt. Denali as well as many other excursions, including a day trip out of Seward, gondola ride, etc. Since we didn't have an RV yet it also saved us a bundle on rooms.
http://www.toursaver.com/ Hmmm, don't know why it's not a direct link?????? You can link to it also by googling (now it's a verb!!!!) Alaska TourSaver.
PS noted when I submitted it may have turned into a direct link. DUH
carold