The age of our race? You'd do as well to ask the age of humanity.
In any case, I have brought him back to my clan's residence to recover. And while we have mage healers amongst our number they are... eccentric. Most who indulge in magic develop little oddities, but our healers tend to have very... carnal interests. They are not bad people, but their forwardness can be offputing to many. And I doubt that this 'Kurtis' would enjoy having his virtue offered up while he unable to make decisions.
As for grimoires, he is not in any state to be making a contract.
The current year? We are in the fourtieth year of the Sousha Era, alternatively it is the 735th year of the Morrigan's rule.
And again, I must admit to not having heard of youkai before. Why do you keep asking about such strange things?
In any case, yes, this tome tome was in the Library, unless Kurtis brought it with him, which I doubt for some reason. I can see little reason to bring such a useless, if entertaining, book into the deep Library. Although, the lack of a proper catalog system makes it rather difficult to verify. I apologize, but given the size and nature of the Library such a thing would be both impractical and dangerous.
And now, I have a question for you.
What is your true power, and intentions?