Please help me identify a (recent) novel

I read at least two reviews for this book a fews months ago, always meant to buy it, but then forgot. Now I can’t remember the title or the author.

I do remember that it was a comedy/humourous novel. The rough plot outline was some guy discovering a lost tribe of Brits in a jungle somewhere, who were still effectively living in the 1950s. He becomes their leader, goes back the UK, and becomes prime minister (I think. I suppose there is a chance I am muddling up two different books, but I hope not).

Does this ring any bells for any (most probably UK) SDMB members?

Many thanks in advance!

Could it be Speak for England ? I don’t think it’s available in the US yet.

And :smack: you’re not IN the US. But you know what I mean.

Oh you complete and utter brilliant angel!!! That is the very book! How on earth did you find it?