On his regular walk one morning, Spike Carlsen realized there was an entire world outside his front door that he knew nothing about. So he set off on an investigative journey to discover everything he could about every thing we take for granted in our everyday life, from manhole covers and recycling bins to pedestrian crossings and bike lanes. Leading readers on a spirited adventure through his hometown, and other environs, Carlsen explains with wit and erudition the engineering marvels, unheralded utilities, and secret economic and health benefits hiding in plain sight. Like how the addition of a front porch reduces crime and increases property value. And how planting a $10 boulevard tree cuts air-conditioning costs by 20 percent, while generating approximately $30,000 worth of oxygen and $31,000 worth of erosion control. Or how a simple walk, in addition to reduce your chances of a stroke (20 percent), cardiovascular disease (30 percent), and broken bones (40 percent), can increase creativity by 60 percent. Engaging, entertaining, and informative, this is a narrative celebration of all the seemingly random stuff we encounter at any given moment.

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