No matter what you do with an organization, no matter how much writing of letters you do, the dissemination success of a group will not accomplish any security unless books are distributed.
As I did not understand in which sense "books" was used I translated it in the literal meaning.(If this is not how you ment it, you can tell me what exactly you mean by books and I will give you the correct translation.) Apart from that last word, everything else is perfect.