Aliens. Maybe.
Men in Black. Maybe.
Hallucinogenic icecream. Definitely.
Absurdity; triple scoop.
Aberyswyth's only PI bashed over the head? Yep.

Must be a Louie Knight novel mystery!

Yes, another in the spoof noir detective series where the mean streets of Aber are over run with iniquity and sin and Louie Knight takes the most preposterous cases imaginable. In this case, finding a man hung for murder last seen catching a bus to Aberaeron...

It's silly and it's equal parts in love with Philip Marlowe and West Wales seaside towns and maudlin philosophising. What's not to like?