There was a number of patches as if to warn the navigator of shallows, and again a number of small black cubes and squares which seemed to declare the position of rocks.

There was no rough work in this chart.

It was elaborately and skilfully drawn, the work of an artist.
"This is a copy made by me.

Juan de Maestre left the original document with us for an hour," said Fairbairn, and he allowed Hillyard to speculate for a few seconds upon the whereabouts of that dangerous and reef-strewn sea.

"It's not a chart of any bay or water at all.