Mother Duck has six ducklings. But one duckling is very big, and he looks different from the other ducklings. Everyone says, 'You are an ugly duckling!' The ugly duckling is sad until one spring day he looks down into the water. What do you think he sees? Macmillan English Explorers have been written specifically for young learners of English. They bring first language teaching methods to reading lessons in first foreign language classrooms. Adapted by Gill Munton.