What is the book on?
The book is on the table.
     src        edge_attr  dst
0      0               in   18
1      0   to the left of   25
2      0  to the right of   17
3      0   to the left of   28
4      0  to the right of   10
..   ...              ...  ...
99    27   to the left of   24
100   28               in   18
101   28  to the right of    9
102   28   to the left of   13
103   28  to the right of    0

[104 rows x 3 columns]