The individual volumes of the series present 26 animals that are most typical of a given continent, with one volume concentrating specifically on the prehistoric continents. The volumes are divided into three chapters based on the habitats of the species – that is, Forest residents, Openlanders, and Waterlovers. Within the chapters, every two pages specify one species, featuring a scientifically valid, snapshot-like story, an intriguing question and its answer,and the daily routine as well as the databank of the species covering the most important features of the species. The concise and readerly texts are illustrated by both artistic graphics and humorous drawings. At the end of each volumes, a comprehensible map depicts the species' spread on the continent.