The 8 styles of prom book covers

My own high school prom was a dry, cheap, chaste affair, but if you're the parent of a teenager this month, you may be facing bills -- and anxieties -- that rival buying a car. When my daughter went to prom, a few years ago, I was stunned by the attendant costs and rituals (hair preparation alone took longer than the dance, which inevitably was a "dud."). Visa recently estimated that the average family will spend more than $900 on prom -- and a third of that is just for something called the "pro...