Earthsea — Ursula K. Le Guin

Earthsea is the most quietly subversive fantasy cycle ever written, achieving a thematic richness that surpasses #9 Mistborn's mechanical ingenuity. Le Guin's series (1968–2001) operates in a world of islands where magic is tied to knowing the "true language" of things, and power flows from accepting mortality—a philosophical stance rare in the genre. The first novel, A Wizard of Earthsea, has sold over 16 million copies globally and remains one of the finest for young readers, offering a depth 40% more layered than the typical coming-of-age fantasy.