Donald Kasen 
The Ugly Duckling [EPUB ebook] 

The egg of swan gets mixed up with the eggs of a mother duck. Four eggs hatch and one of the babies looks different than the others. As it is growing up the fourth baby is teased and called ugly. After a year of teasing and exile from the ducks the “ugly duckling” grows up to be a beautiful swan. The audio EPUB includes every word in the book and a musical background.