Where can I find good books on Tornado?

Question

Python

Greetings!
Comrades, but tell me where you can find sensible books on Tornado?
climbed the Internet, if there is something, then according to very ancient versions.
I would like to find books \ tutorials, preferably in Russian (I read English by syllables), although not essential, for current versions of the framework.
Advise what?
PS or find a tornado mentor, it would be great too)

Answer 1

Advise what?

I will advise async.io, why do you need a tornado?

Answer 2

there are no books
one of the densest years, and that one is more like a reprint of documentation