Dinosaurs like me grew up with these old Nursery Rhymes.

Agatha Christie used many of them in her book titles. See below.

BUT : The line – 5, 6, pick up sticks is monumental to me. Why?

Because when you find out the date that 5 turned into 6 and 6 turned into 5 … you have a KEY :o)

Meanwhile back with Poirot.