HarperEntertainment

Mary-Kate & Ashley Starring in #5: When in Rome: When in Rome

By Mary-Kate Olsen, Ashley Olsen, Megan Stine

Surprise, Surprise! (Two of a Kind (Harper Paperback))

By Stine, Megan / Olsen

Charlotte's Web: New In The Barn

By Hapka, Catherine

The Case of the Clue at the Zoo: The Case of the Clue at the Zoo

By Mary-Kate Olsen, Ashley Olsen