Fairy tales, myths and classic tales. We can’t get enough of them, and luckily publishers and authors agree! Below is a list of retellings, and if you STILL can’t get enough ask your local librarian for more recommendations, or check out this massive list that Epic Reads compiled: http://www.epicreads.com/blog/an-epic-chart-of-162-young-adult-retellings/ 
Ella Enchanted  by Gail Carson Levine
A classic middle grade retelling of the Cinderella story.
Cinder by Marissa Meyer*
Puts a cyborg twist to Cinderella.
Ash by Malinda Lo*
Yet another Cinderella retelling, this time with a LGBTQ angle.
Fathomless by Jackson Pearce
Haunting, scary version of The Little Mermaid.
Rapunzel’s Revenge  by Shannon Hale*
Graphic novel for middle grades.
Lies, Knives, and Girls in Red Dresses  by Ron Koetge, Ilus by Andrea Dezso
Macabre, intense retelling of several different fairy tales.
Ophelia and the Marvelous Boy  by Karen Foxlee
Retelling of the Snow Queen.
The sisters Grimm series  by Michael Buckley
Two sisters turn detective in order to explore their fairy tale ancestors.
Splintered  by A.G. Howard*
Alice in Wonderland. First in a series.
This Dark Endeavor  by Kenneth Oppel*
A different take on the story of Frankenstein.
Scarlet by A.C. Gaughen*
Gender bending the Peter Pan tale.
Tiger Lily  by Jodi Lynn Anderson
Peter Pan retelling from Tiger Lily’s point of view.
For Darkness Shows the Stars  by Diana Peterfreund*
Dramatic retelling of Jane Austen’s “Persuasion”.
The Dark Lady  by Irene Adler (Iacopo Bruno)
Middle grade version of Irene Adler and Sherlock Holmes’s relationship.
Percy Jackson series  by Rick Riordan
Boy finds out he is a descendant of Poseidon. Chaos ensues.
The Olympian series  by George O’ Conn
Graphic novels, each exploring a different God or Goddess legend.
The Cronus Chronicles series  by Anne Ursu
A girl must save humankind. Greek myths.
The Chaos of Stars  by Kiersten White*
Human daughter of Egyptian Gods, trying to find her place in the world and in her family.
*denotes that the book is part of a series