On the left, we have Mdzod bdun : the famed seven treasuries of Vajray¯ana Buddhist philosophy, vol.4 Theg mchog mdzod by Klo·n-chen-pa Dri-med-’od-zer. An unbound volume of Buddhist philosophy in Tibetan.
On the right, we have Old school, directed by Todd Phillips. The unrated version.
Guess which one is from Library X and which one is from Big Research Library.
And before you waste any brain cells, this isn't a trick question.