Walker, Sally M

Tells the story of the "H. L. Hunley," the Confederate submarine that in 1864 became the first to ever sink an enemy ship but lay missing on the ocean floor for more than a century, describing its creation, its discovery, skeletons and objects found onboard, and facial reconstructions of several crew members by forensic anthropologists.

Describes the physical characteristics, behavior, and life cycle of fireflies.

Describes the hydrologic cycle and its importance to life on Earth.