The opening hours are from 10 to 17. There is something to choose from Russian literature and, it seems, world literature too. But it is better to come immediately with a list of references in order to find at least something of what you want.
The room is semi-basement, with an appropriate aroma. If you quickly find a suitable book, then this is not a problem.
For the gr of the Russian Federation, they ask to leave documents on bail. You can leave, for example, the rights. The book is given for 2 weeks.