The books are on what?
The books are on the table.
    src        edge_attr  dst
0     0   to the left of    2
1     0  to the right of   10
2     0  to the right of    3
3     0  to the right of    7
4     0   to the left of   16
..  ...              ...  ...
56   16  to the right of   12
57   16   to the left of    9
58   16  to the right of    0
59   16  to the right of    5
60   16   to the left of   15

[61 rows x 3 columns]