For introductory courses in Physical Geography or Atmospheric Resources. Carrying forth Tom L. McKnight"s well-known thematic focus on landscape appreciation, this best-seller fosters a solid understanding of Earth and its physical geography. Its clear, user-friendly writing style, superior art program, and abundant pedagogy appeal to a wide variety of students. The Ninth Edition represents a thorough revision and significantly updated content -- yet it maintains the time-proven approach first presented by McKnight more than two decades ago.