Re: The Doctor Who primer
-BBC Ninth Doctor adventures, featuring adventures set during the first season of the new series.
-BBC Tenth Doctor Adventures, featuring adventures set at this point during the second season.
These aren't two separate lines- it's one series called "New Series Adventures." The (Gallifreyan) numbers on the spine confirm that all nine published to-date are a single series.
Egg, I dreamed I was old.