More like Metamorphosis

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Sword of the Rightful KingNovel
Jane Yolenstandalone novel2003
Tense in tone.
Down the Long WindSeries
series3 books1980
About quests.
“Kingdom of Summer and In Winter's Shadow carry the story through the reign's high point and into the betrayals that end it.”
from the catalogue
Start with Hawk of May →
DeryniUniverse
universe44 books1970
Tense in tone, set in secondary world.
“In the kingdom of Gwynedd, power is at once a sacrament and a heresy.”
from the catalogue
Start with Deryni Rising →
includes Chronicles of the Deryni, The Histories of King Kelson, The Childe Morgan, The Heirs of Saint Camber, Legends of Saint Camber
BartimaeusSeries
series4 books2003
Alternate history, about demons.
Start with The Amulet of Samarkand →
The Warlord ChroniclesSeries
series3 books1995
Historical fiction, dark in tone, about war.
“The books were originally published between 1995 and 1997 by Penguin and Michael Joseph in the United Kingdom and by St. Martin's Press in the United States.”
from the catalogue
Start with The Winter King →
Kate and Cecelia UniverseSeries
series4 books1988
Set in 19th century.
“Ten-year-old Frederick, who is surreptitiously watched over by a household elf, is plucked from a London orphanage to be a servant to a wealthy wizard, and eventually his uncanny abilities lead him to become the wizard's apprentice.”
from the catalogue
Start with Sorcery and Cecelia: An Epistolary Fantasy →