May 2005: Catch-1782, by Alison Lawson, starring Colin Baker (the Doctor) and Bonnie Langford (Mel)
June 2005: Unregenerate!, by David A. McIntee, starring Sylvester McCoy (the Doctor) and Bonnie Langford (Mel)
Two in a row?! Now if only we could get the BBC as enthusiastic about releasing Mel stuff... (though I see finally we're getting another Mel novel in August: Future Nostalgia, by Gary Russell)