A history of deep-sea exploration from sonar to submersibles shows how far scientists have come in their ability to investigate these great depths.

The Deep-Sea Floor by Sneed B. Collard III, illus. by Gregory Wenzel, reveals the creatures that liveon the ocean floor.

• Children & Teens > Children’s & young adult general non-fiction > Nature, the natural world (children’s/ya) > Dinosaurs & prehistoric world (children’s/ya)
• Children & Teens > Children’s & young adult general non-fiction > Practical interests (children’s/ya)