'Charm Against an Egg-Boat', an illustration by JVL in The Song that Sings the Bird,
a collection of poems for young children chosen by Ruth Craft, Collins, 1989.
(Note: This is the 300th post on the blog).
You must break the shell to bits, for fear
The witches should make it a boat, my dear;
For over the sea, away from home,
Far by night the witches roam.