More like Chrestomanci

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Tolkien's legendariumUniverse
universe163 books1923
Set in secondary world.
“Before the seas were bent and the mountains raised, there was Music — and from that Music came Arda, and in the west of Middle-earth the long defeat and stubborn hope of those who dwell there.”
from the catalogue
Start with The Fellowship of the Ring →
includes The Hobbit, The Lord of the Rings, The History of Middle Earth, The Fall of Gondolin, The History of the Lord of the Rings
Five Children UniverseSeries
series27 books1902
completed
Set in early 20th century.
“Neither book is by Nesbit herself, and the two have no direct connection to each other beyond both drawing on her creation.”
from the catalogue
Start with Five Children and It →
Un Lun DunNovel
China Miévillestandalone novel2007
About transported to another world and chosen one, set in otherworld and big city.
“The title is derived from 'UnLondon,' the name of the alternate realm where the book is set.”
from the catalogue
SummerlandNovel
Michael Chabonstandalone novel2002
About quests.
“Summerland weaves elements of a World Series, parallel-universe road trip, and a hero's odyssey.”
from the catalogue
James and the Giant PeachNovel
Roald Dahlstandalone novel1961
About found family, set in our world.
“There have been re-illustrated versions of it over the years, drawn by Michael Simeon, Emma Chichester Clark, Lane Smith and Quentin Blake.”
from the catalogue
The Ghost of Thomas KempeNovel
Penelope Livelystandalone novel1973
Ghost stories, eerie in tone.