TUTORIAL: Write in Elvish. This is the most detailed and thorough I've ever seen. Also, check out a lovely book called "The Languages of Tolkien's Middle Earth". It explains elvish (Sindarian and Quenya), Dwarvish, and others. Written by Ruth S.
Runes and the English letter values assigned to them by Tolkien, used in several of his original illustrations and designs for The Hobbit. << My friend taught me this alphabet a bit. I was fun to write to each other!
Aaaah, remember the time when i wrote a few entries in my diary with a modified version of this code. If only i could remember the actual changes I made to the code, i could still read them :))-->that's awesome