Newly-discovered Fergal Anton book on limerucks just done.
http://www.logicpress.ie/LS/2020-1/index.html

Here is a limeruck:

Twain
A raft, on a river so wide,
A boy, and a slave by his side.
They trusted to luck,
Ole Jim, and young Huck,
But they've passed the Ohio! Oh, #*%!