The follow-up to the internationally bestselling architecture title "XS: Big Ideas, Small Buildings", "XS Green" devotes itself to a wide range of small-scale, idiosyncratic projects created by the biggest names in global architecture. A brief introduction explores the importance of the mini-building, and how the little structures are produced with increasingly green concerns in mind. Arranged into five themes, the core of the book presents over forty projects in terms of their innovation and uniqueness.