A Day Underwater Author:Deborah Kovacs Deep down, at the bottom of the ocean, there are a lot of very strange animals. Like these worms, for instance. They're 12 feet long . . . and they live in 12-feet-long-tubes. — Alvin is a special submarine that explores the ocean floor. Usually it can take only three scientists. But on this trip, you get to go along, too. The ocean floor is ... more »a beautiful and very different world. Hey, it's lunchtime. Climb aboard!« less