You've read half the books in this house? This whole house?"...

You've read half the books in this house? This whole house?" "Well, approximately half." Sticky said. "To be more accurate, I suppose I've read more like" - his eyes went up as he calculated - "three sevenths? Yes, three sevenths." "Only three sevenths?" said Kate, pretending to look disappointed. "And here I was prepared to be impressed.