There will be many Honkai Impact Railroad players who still don’t know about the collection guide of new books added in Honkai Impact Railroad 1.2. Next is the "Sharing guide of collection of new books in Honkai Impact Railroad 1.2" shared by the editor of Sourcecode.com. There are Interested players, please take a look, maybe it can help you.
There are currently four books that cannot be collected
Changletian
(1) You can buy "The Martial Arts Novel Last Updated Three Hundred Years Ago" in bookstores
Dandingsi
(The one in the upper left corner is at the Dragon Praying Altar. We can just teleport to it when we reach the border)
Book actual location
Scale Abyss Realm
Book actual location
After reading this article and sharing the new book collection guide for "Collapse Star Railroad" 1.2, I wonder if your doubts have been lifted? If everything has been resolved, it will be worthwhile to consult a lot of information. If you still don't understand some parts, you can also ask questions in the comment area.