More like Tree Girl

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The Wind in the Willows UniverseSeries
series17 books1908
Set in british isles.
Start with The Wind in the Willows →
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
At the Back of the North WindSeries
series2 books1869
Fantasy, whimsical in tone, about friendship and coming of age.
“Diamond travels together with the mysterious Lady North Wind through the nights.”
from the catalogue
Start with At the Back of the North Wind →
StardustNovel
Neil Gaimanstandalone novel1998
Fairy tale retelling, about quests and fae, set in fairyland.
“Stardust has a different tone and style from most of Gaiman's prose fiction, being consciously written in the tradition of pre-Tolkien English fantasy, following in the footsteps of authors such as Lord Dunsany and Hope Mirrlees.”
from the catalogue
The Halloween TreeNovel
Ray Bradburystandalone novel1972
Adventure, about grief and loss, set in our world and contemporary.
“Eight boys gather on Halloween night to trick-or-treat with their ninth friend, Pipkin, only Pipkin never shows, having vanished on some errand that may cost him his life.”
from the catalogue
The Wizard in the TreeNovel
Lloyd Alexanderstandalone novel1975
About wizards, set in secondary world.
“Mallory's encounter with the wizard in the tree begins a chain of events that change the lives of the villagers dominated by a suspicious squire.”
from the catalogue