No. Mayans never used arrows cause they sucked. Listen to me, send your knights in first, archers covering from second line, then prceed with battering ram. watch out for burning oil, that can really ruin an assault.
Student can be very expensive about their books. They prefer to rent rather than buying new books. To to know that Amazon book rental reaches hardcopies. This can be a great help for the students.
Also Chegg.com for rentals. However, as far as torrenting, I'd say go for it if you can. The college textbook situation and the publishers have a serious racket going and it's mind boggling how they get away with selling books for what they do.