In the title piece, Alan Turing, the father of modern computer science, completes his theorem on "Phase Conjugate Grammars for Extra-dimensional Summoning." Turing's work paves the way for esoteric mathematical computations that, when carried...
Bob Howard is taking a much needed break from the field to catch up on his filing in The Laundry's archives when a top secret dossier known as The Fuller Memorandum vanishes-along with his boss, who the agency's executives believe stole the file....