"Explore the coldest regions of the world's oceans and learn about the life forms that dwell there. First-person accounts from scientists answer important questions about polar-sea creatures and how they survive"--
"Explore the various regions of the world's oceans and learn about the many invertebrates that dwell there. First-person accounts from scientists answer important questions about the adaptations of spineless creatures."--
"Explore the bottoms of the world's oceans and learn about the life forms that dwell there. First-person accounts from scientists answer important questions about scavenging and parasitic creatures and how they survive"--