Just a little thing I made up year ago, right after I read Horace's attempt to write a limerick on their stakeout at Castle Macindaw; I've only just found it amongst some scribbles in my old notebook.

Disclaimer: First line belongs to John Flanagan, the rest is mine!

There once was a castle named Macindaw
Waiting there proved to be a bore
Sire Keren was the traitor
They found out later
That the reason was because he was poor!

A/N: Have mercy on me, I was about eleven going on twelve when I wrote this.