The book presents the type specimen of Jacques-François Rosart, a significant figure in 18th-century typography. This work details the typographic output of Rosart, a printer and typefounder active in Brussels. It serves as a historical record of the letterforms and designs available during that era, offering insight into the printing practices and aesthetic standards of the time.

This book is regarded as a valuable resource for historians of printing, typographers, and graphic designers interested in the evolution of typefaces. Its detailed presentation of Rosart's work provides direct access to the typographic materials of the period. The publication offers a scholarly examination of a specific historical printing specimen, contributing to the understanding of 18th-century print culture.