Books appear in several contexts:
- In-Story Books
- The expedition team has a hidden agenda of finding original pre-Rash books in the Silent World which can then be sold to (mainly Danish) interested parties. Books are very expensive, as they have to be (re)produced by manual labor and the modus operandi of the cleansers isn't conducive to obtaining more old ones. (Some books, most prominently Allt om Spadar, seem to see a lot of profaning use, though.) However, books are nonetheless a primary means of recreation.
- Books of the Comics
- aRTD has had a (single) print run, and the first book of SSSS exists in two editions. Volume 2 has concluded online, but work on it getting printed has not yet begun.
- Books as a Source of Inspiration
- aRTD drew heavily on the concepts of the Kalevala. No sources of inspiration beyond a couple horror movies have been named for SSSS yet.