A photo essay about the range of plants and animals found in freshwater throughout the year, examining the living conditions and survival mechanisms of creatures dwelling at the edge of the water, on its surface, or under the mud.
A photo essay examining the design, construction, and uses of hand weapons and armor from a Stone Age axe to the revolvers and rifles of the Wild West.
A photo essay documenting ancient Rome and the people who lived there as revealed through the many artifacts they left behind, including shields, swords, tools, toys, cosmetics, and jewelry.
Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.