Exactly! Personally, I think it would be a great help, and now I've thought on it more, I'd buy it. Just as long as you include your sources and how you came to your conclusions on certain things, it's good.
Trike as a pedal- foot- powered bike, or trike as a motorcycle?
Hmm... I rode the human powered trike a month ago. Nice! I'd take that over the average 2- wheeled bike. Of course, if you mean motorcylce with 3- wheels, I'd take a motorcycle any day!
Turkey or ham?
Like it has been said before. I'd stick with TKD. However, you have a lot of options... You (or someone else for the holidays) can invest in free weights, and build on from there. You're in college- chances are they have their own gym. If it isn't free, it's discounted, and also- you...
It wouldn't hurt anything to go ahead. Rank and affiliation really wouldn't matter too much- had an instructor that published a book on the art he taught, and not affiliated with anyone than about a handful of dojangs.
Would I buy it? Depends on if it grabs my interest. Definitely would...