Official study guide and guidebook set for World Heritage Sites Titles: World Heritage Site Certification Level 2 Official Textbook World Heritage Site Certification Level 1, Semi-1, and 2 Official Past Exam Questions - Published: 2025 edition - ISBN: 978-4-8399-8899-9 - ISBN: 978-4-8399-8886-9 Only looked through once after purchase. There are almost no scratches or signs of use, and the contents are clean. Please purchase only if you understand that these are used items. A set of two books that allow you to deeply learn about the appeal of World Heritage Sites.