This is an ex-library book. Therefore, there may be some yellowing or damage. Please refrain from purchasing if you are concerned about the condition. Returns and refunds are not accepted to prevent any problems. The outer box is faded, but the text is clean. Please purchase the complete set. 1. Earth (3,400 yen) 2. Earth's Material Science I: The World of High Pressure and High Temperature (3,400 yen) 3. Earth's Material Science II: Igneous Rocks and Their Formation (3,400 yen) 4. Earth's Material Science III: Geochemistry of Rocks and Minerals (3,400 yen) 5. Materials and Environment of the Earth's Surface (3,400 yen) 6. Geochronology (3,400 yen) 7. Volcanoes (3,400 yen) 8. Physics of Earthquakes (3,400 yen) 9. Formation of Geological Structures (3,400 yen) 10. The Changing Earth I: Present and Quaternary (3,400 yen) 11. The Changing Earth II: The Ocean Floor (3,400 yen) 12. The Changing Earth III: Orogeny (3,400 yen) 13. Earth in the Solar System (3,400 yen) 14. Earth's Resources / Surface Development (3,400 yen) 15. Geology of Japan (4,200 yen) 16. Geology of the World (4,200 yen)