In which years of confident field theory meet the facts, and the facts win.

The Colonel's most cherished conclusions — some held for a decade or more — are quietly, thoroughly overturned. The largest of the four books, and the one that best captures the collection's central joke: the wildlife facts are true, the Colonel's conclusions are his own.

21 — The Voice It Carries

22 — The High Place

23 — No Further Note Required

24 — Inherited

25 — The Blind Architects

26 — The Coin

27 — What the Ground Says

28 — The 1911 Incident

29 — The Wrong Theory

30 — The Routes

31 — The Methodology

32 — The Freeze Protocol

33 — The Original

34 — Communication

35 — The Flying Cat

36 — Navigation

37 — Entirely Itself

38 — The Arrangement