Caves and CavernsPaperback, 4 October 1996

Here is a fascinating journey through those dark, mysterious hollow places on earth--sea caves, lava caves, ice caves, and more. Caves and Caverns also includes information on where to go, what to bring, and how to have a safe, exciting spelunking adventure of your own. "This title will be enjoyed by budding scientists and explorers."--School Library Journal