Profiles the systems that work together to keep urban areas running safely, discussing how cities have evolved since the first riverside settlements while outlining projects that explain facts about transportation, water systems, and architecture.
Chronicles the rivalry between the human and insect worlds that draws on myriad disciplines to explain the varying roles that bugs have played in building and toppling empires as well as the bug stories behind infamous disasters.
Meet the magnificent wild lion. Once, more than a million roamed all of Africa and beyond. Far fewer remain today. Your mission is to learn all about how lions live, the challenges they face, and what you can do to help rescue them.
Meet the legendary wild wolf. Once, millions roamed across most of the world. Far fewer remain today. Your mission is to learn all about how wolves live, the challenges they face, and what you can do to help rescue them.
Introduces the culture, history, domestic life, traditions, and beliefs of Eskimos, and features instructions for making handicraft items related to those who live in the most northerly regions of the Earth.