Before that they had always lived in their own cosy home at the Harbour Head . But in April Captain Campbell had sailed in the Two Sisters for a long voyage and , before he went , Mrs. Campbell 's brother , Martin Clowe , had come to them with a proposition . He ran a lobster cannery on the Little Dipper , and he wanted his sister to go and keep house for him while her husband was away . After some discussion it was so arranged , and Mrs. Campbell and her two girls moved to the Little Dipper . It was not a lonesome place then , for the lobstermen and their families lived on it , and boats were constantly sailing to and fro between it and the mainland . Mary Margaret enjoyed her summer greatly ; she bathed and sailed and roamed over the rocks , and on fine days her Uncle George , who kept the lighthouse on the Big Dipper , and lived there all alone , often came over and took her across to the Big Dipper . Mary Margaret thought the lighthouse was a wonderful place . Uncle George taught her how to light the lamps and manage the light . When the lobster season dosed , the men took up codfishing and carried this on till October , when they all moved back to the mainland . But Uncle Martin was building a house for himself at Harbour Head and did not wish to move until the ice formed over the bay because it would then be so much easier to transport his goods and chattels ; so the Campbells stayed with him until the Captain should return . Mary Margaret found plenty to do that day and was n't a bit lonesome . But when evening came she did n't feel quite so cheerful . Nellie had fallen asleep , and there was n't another living creature except the cat on the Little Dipper . Besides , it looked like a storm . The harbour was glassy calm , but the sky was very black and dour in the northeast -- like snow , thought weather-wise Mary Margaret . She hoped her mother would get home before it began , and she wished the lighthouse star would gleam out on the Big Dipper . It would seem like the bright eye of a steady old friend . Mary Margaret always watched for it every night ; just as soon as the sun went down the big lighthouse star would flash goldenly out in the northeastern sky . `` I 'll sit down by the window and watch for it , '' said Mary Margaret to herself . `` Then , when it is lighted , I 'll get up a nice warm supper for Mother and Uncle Martin . ''
Mary Margaret sat down XXXXX the kitchen window to watch .
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