All too well they could see for themselves the black sails.

But why do you speak so of the black sails?

Our own black sails of course making us nearly "invisible" now.

Buttercup could not take her eyes from the great black sail.

But it was not black sails that lifted above the horizon.

By now, every vessel had hoisted at least one black sail.

Slowly, a black sail emerged from the sea, water streaming off its sides.

And yet from some devil's world that billowing black sail had appeared.

The black sails of our captain have passed further up the water.

Hawkmoon saw the black sails of the vessels clearly now.