Nose in a book:
Now who's that shouting Spray?
Nose in a book:
Bike shed
Nose in a book:
Pigeon parachute!
Nose in a book:
Alan Turing's office
Nose in a book:
The Bombe redux
Nose in a book:
Bletchley Park
Nose in a book:
Please do not touch my teleprinter
Nose in a book:
Most secret "U"
Nose in a book:
Criss-cross
Nose in a book:
The Dolphin Sundial
