This time Sindbad fitted out a ship of his own. Merchants loaded their goods onto it and went with him. For many days the sea was quiet.
On one island the company finds something white and round. As big as a roof, with no seam in it and no door. Sindbad knew what it was.
While he is telling them to leave it, they break it open. Glad of fresh meat for once, they light fires. The sky went dark after that.