The Edge of the Water, page 9 of 12

A line of tiny steps zigzags down the sand from a burrow under a stone towards the pool, where Pip descends and Dawn's head breaks the surface, both arriving.

After that, the mornings had a shape.

He came down the forty-one steps. She came up from wherever she had been, which she never said.

The pool held still between them and let itself be used.