Invite Your Friends.
Basic membership at Davis-Monthan AFB bookoo is free. Here's your chance to bring all your friends along and enjoy a free Unlimited account! Earn one week of Unlimited membership for every 5 friends you invite. For each friend that joins us at Davis-Monthan AFB bookoo, you will earn another week. Have lots and lots of friends? You are very fortunate. If you are currently a Unlimited member, your listing period will be extended.