The most valuable outcome of the present study definitely resides in the clear distinction conceptually made but also translated into chaptering and typography between the narrative reporting of historical facts and events and the attempt to explain those facts and achievements within an explicit theoretical framework. Since the book title, where ‘building types’ is printed in serifed typeface, whereas ‘built forms’ appears without serif, the author takes care of disentangling the institutional definition of buildings as receptacles of activities (‘activity types’ like hospital, theatre, church, station) and the classification of buildings according to intrinsic formal geometrical properties (‘form types’ like pavilion, block with or withou...