Leslie Uggams reads the featured book "Jack, the seal and the sea" by Gerald Aschenbrenner about a man who, after finding an ailing seal, can no longer ignore the sorry state of our world's seas. Host, LeVar Burton goes on a Discovery Voyage in the San Francisco Bay to learn more about the preservation of our water and ways we can preserve the oceans. Also a look is taken at the clean-up effort after a disastrous oil spill in Alaska. The reviewed books are "Sterling, the rescue of a baby harbor seal" by Sandra Verrill White and Michael Filisky; "Water: what it is what it does" by Judith S. Seixas; "A day in the life of a marine biologist" by David Paige.