Anchor: This is one of the subtlest issues in the book.
Entailed: This is one of the lightest touched issues of the novel. 
Contradiction: This is the least subtle part of the book, look at how plain it is!
Contradiction: Muncaster Castle has been demolished.
Contradiction: There are other ancient attractions besides the Valley of Kings.
Contradiction: The men are wearing jeans.
Contradiction: There is more than one stone.