Ian Pattison's
Lyttleton's Britain, which is a collection of Chairman Humph's introductions when ISIHAClue went on "tour" before he passed away. Jack Dee may have the ennui down pat, but the Humph could really sound despairing....which added to the funny.......
The Coren book was also in my Poundland (going there shortly!!) so maybe. Toilet seat brackets first though ahem.....