Fantastical Fiction - MID

Long ago the dam formed, the lively river turned into a swamp, and the wasting illness came to Luna's village, and now that her little sister is sick Luna will do anything to save her, even offer herself to the creature that lives in the swamp on the day of the nearer moon--a lonely and bitter water sprite who was left behind when her people fled through a door to another world.

After twelve-year-old Lark, determined to escape her squalid life, steals a magical sword from the Royal Museum, she reluctantly becomes the next Nightingale, destined to vanquish an ancient evil.

The daughter of a murdered physician vows to protect the magical Oddity he left behind in an alternate nineteenth century where a failed Louisiana Purchase has locked a young Unified States into conflict with France.

Ottilie Colter and her brother, Gully, have always fended for themselves. So when Gully goes missing one night, Ottilie sets out to find him -- and soon makes a horrible discovery; Gully has been forcibly recruited by the Narroway Hunt, a secretive male-only organisation that hunts savage, blight-spreading monsters called "dredretches". Disguising herself as a boy, Ottilie infiltrates the Hunt -- but quickly realises that taking her brother home won't...

The young orphan Peter and his friend Molly have many adventures on the high seas while carrying a precious cargo of magical dust.

Twelve-year-old Princess Sofia of Drachenheim enjoys freedom from her sister's manipulations during a diplomatic mission to far-off Villenne, until she and her dragon friend, Jasper, are forced to face ice giants.

When the peaceful life of ancient Redwall Abbey is shattered by the arrival of the evil rat Cluny and his villainous hordes, Matthias, a young mouse, determines to find the legendary sword of Martin the Warrior which, he is convinced, will help Redwall's inhabitants destroy the enemy.

"A cursed child destined to die on her eleventh birthday is rescued and whisked away to a secret realm called Nevermoor and given the chance to compete for a place in a prestigious organization called the Wundrous Society"--

Best friends Sophie and Agatha are going to the School for Good and Evil.

After her home is attacked by shapeshifting vampires, twelve-year-old Serwa Boateng is sent to live with her aunt and cousin in Maryland, but the aspiring vampire hunter discovers that middle school is harder than it appears on television, especially when she has to avoid detention and turn her classmates into warriors before they become vampire food.