Yes, they do exist; all but three issues from the 5 years of publishing! My upstairs office in the barn is full of boxes. Trouble is, my new job has me traveling the world, and I have no time to fill orders piece-meal. What would be best is if someone can see a way to take the whole lot of backissues, and resell them as needed. Sure, take a profit, as long as they get out into the hands of tandem enthusiasts. They're just getting older sitting in the barn, and keeping the mice away is keeping Sniffy (our barn cat) quite busy.
If you are truely interested in aquiring the entire supply of Tandem & Family Cycling back issues, you can email me at: shep@tandemmag.com. Please, serious inquiries only. Thanks.