"Everyone says Lauren Tranter is exhausted, that she needs rest. And they're right; with newborn twins, Morgan and Riley, she's never been more tired. But she knows what she saw: in her hospital room, a woman tried to take her babies and replace them with her own ... creatures. Everyone thinks she's imagining things. But one morning, the babies disappear from Lauren's side. But when they're found, something is different about them. The infants look...

Young Mollie traverses eerie, perilous lands to retrieve her baby brother, Thomas, from the Kinde Folke, malicious sprites who snatched him and left a hideous changeling in his place. --

"Enduring lives where their differences render them outcasts, a changeling and a human child must unite when a cruel sorceress ascends the throne, placing the fates of both worlds in their hands." --

When Wendy Everly was six years old her mother was convinced she was a monster and tried to kill her, and eleven years later Wendy learns that her mother was right and that she is actually a changeling troll, who, at the age of seventeen, must be returned to her rightful home.

Three women in nineteenth-century Ireland bond over a shared effort to rescue a child from a superstitious community that believes that his trauma-related inability to speak indicates that he is a changeling responsible for a series of misfortunes.

Morgan Sparks and her boyfriend Cam have been best friends since they were children, but just before their shared sixteenth birthday Cam confesses that he is a fairy who was switched at birth with a human child, and now the fairies want to switch them back.

"An autistic changeling trying to navigate her unpredictable magic, Seelie finds it difficult to fit in with the humans around her, unlike her twin sister, until they both get caught up in a heist gone wrong that changes everything"--

Thirteen-year-old Bee realizes that she is a fairy who has been switched at birth with another girl who now wants her life back.

The Strega-Borgias make one last stand to defend their home against invaders who seek the Chronostone--and one little baby who may not be what he appears.

Duty-bound to marry her friend Tove in order to give the Trylle people their strongest king and queen in history, Wendy, a changeling troll princess, is torn between two other suitors, Finn and Loki.