Your spot on Nicholas. At present Grant's book provides the most realistic assessment of the the Spitfires performance over Darwin in 1943.
There is a new book due to be released on 10 July on Caldwell titled "Clive Caldwell Air Ace". It's published by Allen & Unwin and written by my local second-hand book dealer here in Canberra. Three years in the making it promises to be the best account on Caldwell to date. And should offer some new insights into the Spitfires performance over Darwin as well.
