Adele Richardson

Owls perch in the darkness, waiting for the perfect moment to swoop down on prey. Come soar with this wise bird, and uncover the features that make it a feared nighttime hunter.

An introduction to the physical characteristics, behavior, habitat, and life cycle of owls, nocturnal birds that can live twenty-five to thirty years. Includes an activity which demonstrates how owls see.

An introduction to the physical characteristics, behavior, habitat, and life cycle of groundhogs, rodents that may hibernate for six months during the winter.

Discusses the orbit, atmosphere, surface features, and exploration of the planet Mars.

Discusses the orbit, atmosphere, surface features, and exploration of the planet Mercury.

Examines the history of wall-building in ancient China, and discusses the construction of the Great Wall by order of the country's first emperor Qin Shi Huangdi.