Trees were central to Henry David Thoreau's creativity as a writer, his work as a naturalist, his thought, and his inner life. His portraits of them were so perfect, it was as if he could see the sap flowing beneath their bark. When Thoreau wrote that the poet loves the pine tree as his own shadow in the air, he was speaking about himself. In short, he spoke their language. In this original book, Richard Higgins explores Thoreau's deep connections...