This world doesn't have books?...*scrolled back up*...then what are those on the desk? I clearly see some books! ┑( ̄Д  ̄)┍
I think they meant that they would not have believed that the world was in a book
So it was meant as some sort of idiom or something? They should have frase it differently then ( ̄∇ ̄")
Yeah, I think it is just a translation error, oh well
This world doesn't have books?...*scrolled back up*...then what are those on the desk? I clearly see some books! ┑( ̄Д  ̄)┍