Random Mysteries
From Tardis Wiki, the free Doctor Who reference
Random Mysteries was a series of books. (PROSE: Susan's Diary, Still Need a Title!, The Dark Scrolls of the Valeyard)
Sarah Jane Smith wrote at least two books for the series: The Osiris Code and The Fendahl Intelligence. (PROSE: Still Need a Title!)
Another book was entitled Cressida the Vickiad, about Vicki Pallister. (PROSE: Susan's Diary)
At some point, the company published the novel, Moby-Dick. (PROSE: The Dark Scrolls of the Valeyard; TV: The Mysterious Planet)