Review Detail of Sagvey_Ay in HOTD/ASOIAF: Unbowed Unbent Unbroken

at the same time, don't get me wrong, but all children taking science and chemistry classes at the first school can produce (glass,soap,drinks,perfume,paint) if you can't find plants for paint, shouldn't it be difficult to make ink and paper or a pencil ? it can be produced and grown in the greenhouse (coffee, tea, spices, silk, fruit, tobacco, poison,)