Collecting all 4 volumes of Hilichurl Cultural Customs is part of achievement called Hilichurlian Studies Expert which is part of Mortal Travails Series II. Player will need to gather 4 books.
Luckily, all 4 volumes can be found inside Knight of Favonius Headquarters. 3 volumes can be obtained from Mondstadt Library while the other 1 can be obtained from Grandmaster office (Jean Office).
![All 4 Volumes of Hilichurl Cultural Customs All 4 Volumes of Hilichurl Cultural Customs](https://genshindb.org/wp-content/uploads/2022/03/All-4-Volumes-of-Hilichurl-Cultural-Customs.jpg)
To check which volume that you are lacking, go to Menu > Archive > Books > Scroll until you find Hilichurl Cultural Customs then click + icon, you will find list of volumes that you’ve get.
Here’s locations of all 4 volumes of Hilichurl Cultural Customs:
Volume 1
Can be found inside Mondstadt Library.
![Hilichurl Cultural Customs Volume 1 Hilichurl Cultural Customs Volume 1](https://genshindb.org/wp-content/uploads/2022/03/Hilichurl-Cultural-Customs-Volume-1.jpg)
Volume 2
Can be found inside Mondstadt Library. Basically, volumes 1,2,and 4 located in one area.
![Hilichurl Cultural Customs Volume 2 Hilichurl Cultural Customs Volume 2](https://genshindb.org/wp-content/uploads/2022/03/Hilichurl-Cultural-Customs-Volume-2.jpg)
Volume 3
Can be found inside Jean office in Knight of Favonius Headquarters.
![Hilichurl Cultural Customs Volume 3 Hilichurl Cultural Customs Volume 3](https://genshindb.org/wp-content/uploads/2022/03/Hilichurl-Cultural-Customs-Volume-3.jpg)
Volume 4
Can be found inside Mondstadt Library.
![Hilichurl Cultural Customs Volume 4 Hilichurl Cultural Customs Volume 4](https://genshindb.org/wp-content/uploads/2022/03/Hilichurl-Cultural-Customs-Volume-4.jpg)