In this fresh, funny new middle grade series, bestselling YA author Sarah Mlynowski writes for a younger audience for the first time!

In each book, Abby and her younger brother Jonah visit the magic mirror in their basement at night, and the mirror transports them inside a different fairy tale.

In the third magical adventure, Abby and Jonah find themselves splashing around with the Little Mermaid.

But her story didn''t have a happy ending. This time, Abby''s determined to change things for the better!