Buildings: Theory and ApplicationsThis text started out as a revised version of Buildings by the second named author 53], but it has grown into a much more voluminous book. The earlier bookwasintendedtogiveashort, friendly, elementaryintroductiontothet ory, accessibletoreaderswithaminimalbackground. Moreover, itapproached buildings from only one point of view, sometimes called the "old fashioned" approach: A building is a simplicial complex with certain properties. The current book