Why are there only 2 hr loaner text books. Why can’t BC purchase more copies?

Why are there only 2 hr loaner text books. Why can't BC purchase more copies?
Why are there only 2 hr loaner text books. Why can’t BC purchase more copies?

Materials on Course Reserves circulate for 2 hours because they are high-demand items that are set aside for class reading at faculty members’ request. The number of copies the libraries can purchase is limited by budgetary, space and copyright restrictions. What the BC Libraries are doing to address this issue is prioritizing the purchasing of ebooks for Course Reserves.