I'm not sure I'm recognisably human this evening.*  I've had about seven hours' sleep in the last forty-eight** and I'm at that stage of tiredness where I find myself, for example, out with hellhounds for their second hurtle and trying to remember where I am, what I am doing, which way I am going and why I seem to be in the process of being drawn and quartered by invisible demons.***

            PEGASUS† however grinds on.††  I'm so near the end by now, despite the disagreeable distractions o...