His right eye slightly twitching as he read over the title of the books, generally he would never read a book with such a title, seeing it as degrading and beneath him, but as two of them did trigger a window that he had never seen before, he knew that they would both yield something worth while. He would have to swallow his pride. Though, there was the third book, which interested him as well, but a book of theories wasn't nearly as impressive, or in his viewpoint as useful at this time. Maybe in a few levels he would try to trade it off of Saito, but for now he decided that 'Rituals for Communing with Nature for Morons' would be his book of choice. 

He picked up the book, "I'll take this one for now, though maybe keep the others within reach and I will likely come back for them with goods of my own or cash at a later time. Holding the book, he saw a new window appear, inquiring if he would like to learn the skill, to which he pressed accept, eagerly awaiting what he could learn in seconds.