Open Library
Fantasy
Magic is just the physics of other worlds.

A Dog's Purpose
W. Bruce Cameron

Three Hearts and Three Lions
Poul Anderson
The Terrible Thing That Happened to Barnaby Brocket
John Boyne
The Enchantress Returns
Chris Colfer
Raising Steam
Terry Pratchett
The Legacy
R. A. Salvatore
The Fourth Apprentice
Erin Hunter
Good morning, gorillas
Mary Pope Osborne
Assassin's Quest
Robin Hobb
Darby O'Gill and the good people
Herminie Templeton Kavanagh
Legendary
Stephanie Garber
The Borrowers afloat
Mary Norton
Book of a Thousand Days
Shannon Hale
The Magic in the Weaving
Tamora Pierce
Wolf Brother
Michelle Paver
Starlight
Erin Hunter
Rakkety Tam
Brian Jacques
How to Cheat a Dragon's Curse
Cressida Cowell
The Spellcoats (Dalemark Quartet, Book 3)
Diana Wynne Jones
Queen of Shadows
Sarah J. Maas