The Seventh Doctor (Sylvester McCoy) and Ace (Sophie Aldred) are back in the latest two-parter from Big Finish. In the next edition to the fine Doctor Who Main Range collection, Doctor Who – Shadow Planet / World Apart, also sees the return of Philip Olivier as Hex. Shadow Planet by AK Benedict sees the Doctor come face to face with the shadow within. “Troubled? Anxious? Tormented by self-doubt?…