RT @SallyHPotter: In order to make sense of all the historical data and be able to compare the episodes to each other, I developed the worl…
5,125 followers
4,755 followers
RT @SallyHPotter: In order to make sense of all the historical data and be able to compare the episodes to each other, I developed the worl…
11,909 followers
RT @SallyHPotter: In order to make sense of all the historical data and be able to compare the episodes to each other, I developed the worl…
3,631 followers
RT @SallyHPotter: In order to make sense of all the historical data and be able to compare the episodes to each other, I developed the worl…