Reading rather than listening means I had more time to pick up on jokes that I've missed even after 10+ listens, but this book was worth it if only for the illustrations by Graeme Garden.
ISIRTA as it's known to fans was a wonderful show full of wackiness and catch-phrases and appallingly non-PC. It truly was the fore-runner of Monty Python despite what people claim about I'm sorry I haven't a clue.
This little book presents just a small selection of scripts but it has the power to bring back memories.