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. When her adorable baby brother is replaced by an ugly, ill-tempered changeling, Mollie is determined to find the so-called Kinde Folke who took baby Thomas, return the changeling she calls Guest, and make them give Thomas back.

"Silence has fallen. The Psy are free to feel emotion. Free to love. But Silence was never a prison for Ivan Mercant. The biggest threat to his future lies dormant in his brain--a psychic monster that wants only to feed. And now, the brutal leash he's kept on that monster is slipping. He prepared for this day, for the end of Ivan Mercant...but that was before he met Lei. As primal as she is human, this wild changeling brings color into his life, laughter...

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.

Wendy thought she finally understood who she was and what she wanted, but everything changes when the rival Vittra come after her. She's caught between two worlds, torn between love and duty, and she must decide what life she is going to lead.

"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." -- Provided by publisher.

Bedeviled by evil fairies that only she can see, thirteen-year-old Tanya is sent to stay with her cold and distant grandmother at Elvesden Manor, where she and the caretaker's son solve a disturbing mystery that leads them to the discovery that Tanya's life is in danger.

"Security specialist Bowen Knight has come back from the dead. But there's a ticking time bomb in his head: a chip implanted to block telepathic interference that could fail at any moment--taking his brain along with it. With no time to waste, he should be back on land helping the Human Alliance. Instead, he's at the bottom of the ocean, consumed with an enigmatic changeling... Kaia Luna may have traded in science for being a chef, but she won't hide...

"We rejoin our heroine for her latest adventure just as she awakes to find herself ... in the body of a troll! Her mother is worried sick, and is perplexed by the strange creature that seems to have taken Hilda's place. Now, both of them are in a race to be reunited before Ahlberg and his safety patrol get the chance to use their new secret weapon to lay waste to the trolls, and Hilda along with them!"--Provided by publisher.

When babysitter Rebecca discovers that a sinister ruler of darkness has replaced the baby with a changeling, she and her friends must save him by surviving a chilling journey through the Nightmare Realm.

Having failed in her mission to locate the missing Skojare Queen and capture the ex-tracker Konstantin, tracker Bryn Aven returns to Doldastam to help prepare the kingdom for war against Viktor Dalig--but dark secrets lurk in the halls of the crystal palace, and uncovering them will threaten the half-Skojare tracker and change her life and the Kanin Kingdom forever.