7 books in series

The Mistborn Saga

The Mistborn Saga is a 10-book series with 7 released primary works first released in 2001 with contributions by Brandon Sanderson.

The Eleventh Metal
Mistborn: The Final Empire
The Well of Ascension
The Hero of Ages
Mistborn: Secret History
The Alloy of Law
Allomancer Jak and the Pits of Eltania
Shadows of Self
The Bands of Mourning
The Lost Metal