Not just on the book covers,we also find some literature works tell story of slippers.
The Little Match-Girl
The poor little girl went outside to sell matches in a cold and snowy night,with a pair of large and unsuitable slippers.
And the poor little thing lost her slippers as she scuffled away across the street, because of two carriages that rolled by dreadfully fast.
Link of the story of "The Little Match Girl"
And even more,slippers become the protagonist of a story in "One thousand and one night".
The Story of the Kazi and his Slipper