Written by Aldo Leopold, this book is a set of informal essays during his long years of observation and returning to the land and the nature. His beautiful words keep down different scenery at his farm in each month of a year, and states of earth and nature in several other states. Description of some local stories is also included. His opinion of land ethic is summarized too. The book has rich and interesting content, and would make readers realize interdependence between people and land.