One I never hear talked about, and One i had such a thrill ride reading - all the past references to Classic Doctor Who Episodes moments and Characters was all excellent.

My only Issue with the Book Is The Doctor seeing Astrid when he first encounters the Shroud, Surely he would've seen another companion who he lost only recently. Who does remember the event later in the book, so I'm not sure as to why Astrid is given that title of the one person he grieves for the most