Doctor Who's Time Flight (in-universe)

Doctor Who's Time Flight was a book about when the Fifth Doctor encountered, who had disguised himself as Fu Manchu, and had taken Concordes out of the sky and took them back though time. The story concluded when the Doctor left Tegan at Heathrow Airport. Doctor Who and the Land of the Dead (in-universe) and Doctor Who and the Arc of Infinity (in-universe) were set just after this story. (PROSE: Bafflement and Devotion)