This work investigates the legal, historical, and ceremonial framework of the Scottish system of heraldry. Sir Thomas Innes of Learney, a former Lord Lyon King of Arms, utilizes his extensive expertise in Scottish law and genealogical records to explain the unique nature of the Lyon Court. The text argues that Scottish heraldry functions as a living legal system rather than a mere decorative tradition, emphasizing the importance of matriculation and the regulation of armorial bearings.

Experts recognize this volume as a foundational text for understanding the specific legal requirements of Scottish armorial practice. Readers frequently note the academic density of the prose, which reflects the author's deep immersion in the legal traditions of the Lyon Court.