Juliet Marillier

Five sisters who live with their merchant father in Transylvania use a hidden portal in their home to cross over into a magical world, the Wildwood.

Fifteen-year-old Neryn is alone in the land of Alban, where the oppressive king has ordered anyone with magical strengths captured, but when she sets out for Shadowfell, a training ground for a rebel group, she meets a mysterious soldier and the Good Folk, who tell her that she, alone, can save Alban.

Son of the Shadows is the sequel to Juliet Marillier's evocative first novel Daughter of the Forest.
It continues the saga of beautiful Sorcha, the courageous young woman who risked all to save her family from a wicked curse and whose love shattered generations of hate and bridged two cultures.
It is from her sacrifice that her brothers were brought home to Sevenwaters and her life has known much joy. But not all the brothers

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"In the final book of the Shadowfell trilogy, Neryn, the rebels, and the Good Folk must work together to survive their final confrontation with King Keldec"--

The young seer Sibeal is visiting an island of elite warriors, prior to making her final pledge as a druid, when she finds Felix, a survivor of a Viking shipwreck, who's lost his memory.

"Healer Blackthorn knows all too well the rules of her bond to the fey: seek no vengeance, help any who ask, do only good. But after the recent ordeal she and her companion, Grim, have suffered, she knows she cannot let go of her quest to bring justice to the man who ruined her life. Despite her personal struggles, Blackthorn agrees to help the princess of Dalriada in taking care of a troubled young girl who has recently been brought to court, while...

Maeve returns to Sevenwaters to find the country in turmoil after Prince Mac Dara's desperate attempts to return his only son to the Otherworld put innocents in peril.

All young Eyvind ever wanted was to become a great Viking warrior--a Wolfskin--and perform honorable deeds out in the name of his War fathergod, Thor. He can think of no future more glorious. And the chance to make it happen is his when his older brother Ulf is brought the tale of a magical land across the sea, a place where men with courage could go to conquer a land and bring glory to themselves. They set out to find this fabled land and discover...

"A young warrior who wields both the power of her music and the strength of her sword faces a grave threat in this enthralling historical fantasy. Bard and fighter Liobhan is always ready for a challenge. So when news arrives at Swan Island that the prince of Dalriada has gone missing after an assault by both masked men and the sinister Crow Folk, she's eager to act. While Liobhan and her fellow Swan Island warriors seek answers to the prince's disappearance,...

This is the triumphant conclusion to the Sevenwaters Trilogy that culminates in an epic battle between the forces of good and evil and decides the fate of a mystical war that has been waging in the Celtic Isles for hundreds of years. Magic is fading ... and the ways of Man are driving the Old Ones to the West, beyond the ken of humankind. The ancient groves are being destroyed, and if nothing is done, Ireland will lose its essential mystic core. The...