man, he frequently goes climbing and canyoneering when he can. Interested in sociobiology, he views both his own behavior and others' as that of primates who evolved on the African savannahs and who are not entirely biologically prepared to live in the urban environment. He considers behaviors in ordinary situations, such as traffic, and in extraordinary situations in light of the game theory decision making strategy known as the prisoner's dilemma. Anna's husband, Charlie Quibler, feels as urgently as Frank does about environmental issues. He juggles the raising of their two young sons, Nick and Joe, with encouraging Senator Phil Chase and Chase's chief of staff, Roy, to badger the conservatives in Congress about passing legislation to convert the United States to a non-anthropogenic global warming society, to construct carbon sinks, and to work for international cooperation for amelioration of climate change. (It is clear that the President, never named, is George W. Bush; we are told that his predecessor was Bill Clinton; he views climate change as a "downer" and refers to it as "climactic [not climatic] terrorism.") Anna, a devoted wife and mother, is, in Frank's view, something of an ultra-rationalist; Charlie is amused by her constant search for quantifiable measurements in all parts of her life. She discovers the new Khembali embassy in the NSF building and invites Drepung and Rudra Cakrin to lunch. When they all get along well, and she becomes interested in their concern about the threat of rising sea levels to Khembalung, their small island nation in the Bay of Bengal, she invites them to come for dinner when they all have time. Leo Mulhouse, a science director at Torrey Pines Generique, a biotechnology startup company in San Diego, searches for therapies for various human diseases. He is alarmed to learn that his boss, Derek, has spent $51 million to buy another company which might (and might not) work in tandem; Torrey Pines has not yet been able to show any profits, which puts them at risk for sale to investors who might care to purchase or even quash any patentable techniques they come up with. He turns out to be right when the company is sold some weeks later. Leo has another worry: his house, located on a cliff over the Pacific, is threatened by coastal erosion. Frank, eager to return to California, writes an angry denunciation of NSF and leaves it