A natural history of the wilderness in our homes, from the microbes in our showers to the crickets in our basements.

Prologue: homo indoorus -- Wonder -- The hot spring in the basement -- Seeing in the dark -- Absence as a disease -- Bathing in a stream of life -- The problem with abundance -- The far sighted ecologist -- What good is a camel cricket? -- The problem with cockroaches is us -- Look what the cat dragged in -- Gardening the bodies of babies -- The flavor of biodiversity.