With the renowned readability of the Lutgens/Tarbuck/Tasa team, the Eleventh Edition of Essentials of Geology continues to enhance both the approach and the visual presentation that has made this text a best-seller. This revision incorporates a new active learning approach throughout each chapter which offers the students a structured learning path and provides a reliable, consistent framework for mastering the chapter concepts. It also includes new additions to the visual program and current issues, such as climate change, are thoroughly updated.