"The four princes erroneously dubbed by Prince Charming and rudely marginalized in their respective fairy tales have to once again save the kingdom from a great threat"--

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 accidentally 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.

The three pigs escape the wolf by going into another world where they meet the cat and the fiddle, the cow that jumped over the moon, and a dragon.

Enola Holmes, Sherlock Holmes's younger sister and self-declared finder of lost persons and things, is determined to find her friend, Lady Cecily, a confused young Baronet's daughter on the run from her father's devious schemes.

Princess Annabelle, who is immune to magic and can temporarily reverse spells put on others, encounters various fairy tale characters when she embarks on an expedition into the woods to find a dwarf responsible for turning Sleeping Beauty's prince into a bear.

In this trip through the magic mirror, Abby and Jonah find themselves in the tale of Hansel and Gretel, where they have to deal with the witch and hope the portal will open so they can get home.

Humpty Dumpty has not climbed a single wall since his great fall, despite the urging of friends and teasing of others, but when one of the king's horses is stuck he finds the courage -- and the proper climbing equipment -- to help out.

For generations the Charming men have been cursed, but now that the witch Envearia is dead the curse should be broken -- however things are complicated at Charming Palace: King Clement is still nasty, Queen Maud has fled with the help of her son, Prince Dash, and Ella Coach (called Cinderella) would rather be at home sewing than living in the palace at Charming Prep school.

At Ever After High, a boarding school for the sons and daughters of famous fairy-tale characters, students Apple White and Raven Queen face the moment when they must choose whether to follow their destinies, or change them.

As Bluejay -- Mo's fictitious double -- tries to keep the Book of Immortality from unraveling, Adderhead kidnaps all the children in the kingdom, asking for Bluejay's surrender or the children will be doomed to slavery in the silver mines.