In the first volume, Olga Raggio focuses on the creation of the studiolo, Gubbio's political history and development, the achievements of Federico da Montefeltro and his role in the creation of the studiolo. Martin Kemp examines the perspectival system. The second volume, by Antoine M. Wilmering, discusses the conservation of the studiolo and the history, materials, and techniques of intarsia work. Bibliography and index in both volumes. -- Metropolitan Museum of Art website.