to contemporary, from famed architects to little-known craftsmen, you'll scale the heights to visit all manner of treetop structures, from a teahouse, restaurant, hotel, and children's playhouse to simple perches from which to contemplate life, enjoy the view, and discover that tree houses take as many forms as the imagination can offer. With an abundance of gorgeous photographs and illustrations, this is an ode to alternative living, where playful imagination meets eco-sensitive finesse.