The Thea Sisters are summoned to the Seven Roses Unit by Will Mystery, but when they get there Will is missing; the sisters follow a trail of clues to the Fantasy Kingdoms, and find out that the Mayhem Mirror has been disturbed, and a terrible curse is about to be unleashed on the Fantasy Kingdoms, and it will be up to them to find the eight Harmonies which can break the curse and save the Kingdoms.

Abby tries to use the magic mirror to get to her friend's house, but she ends up with her brother in the tale of Little Red Riding Hood; where, having accidently knocked out the Huntsman, they set out to save Red (named Lali) and her rather unpleasant grandmother themselves--but end up having to save the wolf (who actually seems a lot nicer then Lali's grandmother), and discovering a surprising secret about their own Nana.

Abby's first problem is that Jonah has lost all his memories of the magic mirror and their adventures, so when they get sucked through into Beauty and the Beast, he is unaware of the danger, and picks one of the Beast's roses--her second problem is locating Beauty and performing a match-making miracle in order to recover her brother, and still make it back to the real world before their parents miss them.

When the magic mirror sends Abby and Jonah into the story of The Twelve Dancing Princesses to retrieve the crown ruby from the Kingdom of Douze, they follow the twelve sisters to the underground Dance Resistance Party where Abby learns she is not really a terrible dancer.

Abby and Jonah take a trip through the magic mirror and finally end up in Jack and the beanstalk (which happens to be Jonah's favorite story ever)--but things soon start to go wrong, and the children have to try and set the tale right, even if it means trading their dog, Prince, for the magic beans, climbing the beanstalk (three times!), and reaching an amicable settlement with the giants (Magnus and Philippa, who are really quite nice), and the sneaky...

On their fifth trip through the magic mirror, siblings Abby and Jonah find themselves in the story of Rapunzel--and they set out to free her from her tower, reunite her with her parents, and give the story a completely happy ending.

Abby, her brother Jonah, and her friend Robin get sucked into the magic mirror and end up in the story of Sleeping Beauty, but when Robin pricks her finger and uses up the sleeping spell, Abby has to come up with a clever solution and a new happily-ever-after.

The magic mirror has a crack and it sends Abby, Jonah, and Prince into the mixed up tale of Goldilocks and the Three Bears, and they soon find that Goldy is in need of a lot of gold to get her father out of jail, and so they find themselves negotiating between the Bears, who want honey, and Rumpelstiltskin, who just wants a friend or two--but King Ned is just plain greedy and somehow the children and Goldy's father have to escape from the king's jail,...

On their sixth trip through the magic mirror, Abby and Jonah find themselves in the story of the Snow Queen, a troubled character who chose power over family and friendship, and Abby has free the children the Queen has under her spell--with the help of her new friend, a talking reindeer called Ralph, and a strange girl named Sharon.

Here is the fifteenth magical installment of the New York Times and USA Today bestselling series of fractured fairy tales for fearless kids! Put on your dancing shoes! Believe it or not, there's a fairy named Maryrose LIVING in my house. And she's sending me and my brother, Jonah, through the magic mirror and into the story of The Twelve Dancing Princesses. There, we meet the twelve sisters who sneak out every night to go dancing. But Jonah and I...