Merchandise
I’ll be attempting to update this list as new things come out, however I’m sorry if I’ve missed anything out. The range of SJA merch is huuge. 
Audiobooks:
2010:
Wraith World
2009:
The White Wolf (cheaper here)
2008:
The Ghost House (cheaper here)
The Time Capsule (MUCH cheaper here)
2007:
The Thirteenth Stone (cheaper)
The Glittering Storm (cheaper)
Books:
Series 1:
Invasion of the Bane
Whatever Happened to Sarah Jane?
The Last Sontaran
Day of the Clown
I can’t find any more series 2 books past here unfortunately 
The Wedding of Sarah Jane Smith
The Death of the Doctor is nowhere to be seen as of yet. 
DVDs:
Invasion of the Bane
Notifications about anything I’ve missed out would be really appreciated
