Jeremiah Penguin is the famously grouchy presenter of University Challenge, no longer the feared griller of politicians for the BBC.
Along with the much more amenable (and attractive) Arts presenter, Mercy Ribbentrop, he crops up with increasing regularity in the team's investigation into the apparently random acts of the darting poisoner.
Moncrieff becomes convinced that he knows more about the case than he'll admit to - but how do you break down the master interviewer?!
And, as the case progresses and more and more animals barge into it, is the only penguin who is involved?!?!
And can Moncrieff bring the right penguin to justice before there is an actual assassination?
Find out by reading The Return Of The Trilby on Kindle now!