I don't know, but the foot pun Lord has forgiven your sole, and you are now heeled.
why is the only Caol Ila entry a 1989 Signatory bottling? It would have been more sense and use for the widely available distillery bottling(s) to have been addressed
There may have been quite a gap between when the whiskies were tasted and the text was written to when the book was actually published.
The great range of OB Caol Ilas currently available is a relatively recent bonus, i.e. I think they've only been on the market for 12 months. Prior to their arrival, Caol Ila was a reasonably difficult malt to find, apart from the F&F bottling.