One spring day, Mike Horn left his beloved wife and two daughters on a shore to circumnavigate the globe alone, following the equator. On foot, by dugout canoe, by sailboat, or by bicycle, across three oceans and two continents, Mike Horn journeyed along this invisible thread, never straying more than forty kilometers from it. Here, he recounts how a solitary man manages to blend into nature, choosing whether or not it will let him pass. In the Brazilian rainforest, bitten by a snake, he remaine...