The nature and properties of angels occupied a prominent place in medieval philosophical inquiry. Creatures of two worlds, angels provided ideal ground for exploring the nature of God and his creation, being perceived as 'models' according to which a whole range of questions were defined, from cosmological order, movement and place, to individuation, cognition, volition, and modes of language. This collection of essays is a significant scholarly contribution to angelology, centred on the function and significance of angels in medieval speculation and its history. The unifying theme is that of...