This guide investigates the identification of North American wildlife through the analysis of their physical tracks and behavioral patterns. George F. Mason provides a systematic reference for naturalists and outdoor enthusiasts to interpret signs left by various species. By pairing visual representations of footprints with concise biological context, the text serves as a foundational tool for field observation and tracking.

This work is regarded as a classic, accessible introduction to the study of animal tracking for amateur naturalists. Its straightforward organization and focus on visual identification make it a reliable reference for field use.