Arcanum Unbounded: The Cosmere Collection

Arcanum Unbounded: The Cosmere Collection is a collection of epic fantasy short stories and novellas written by American author Brandon Sanderson set in his Cosmere universe. It was published on November 22, 2016 by Tor Books.

The Selish System
The Emperor's Soul, a novella originally published in 2012

The Hope of Elantris, originally published as an e-book in 2007

The Scadrian System
The Eleventh Metal, originally released in 2011 as part of the Mistborn Adventure Game

Allomancer Jak and the Pits of Eltania, Episodes 28 through 30, originally released on August 3, 2014 as part of the Alloy of Law extension to the Mistborn Adventure Game

Mistborn: Secret History, a short novel originally published in 2016 as an e-book

The Taldain System
White Sand, an excerpt of the graphic novel originally published in 2016 and a previously unpublished opening section of the corresponding book

The Threnodite System
Shadows for Silence in the Forests of Hell, a novella originally published in 2013 in the Dangerous Women anthology

The Drominad System
Sixth of the Dusk, a novellette originally published in 2014 in the Shadows Beneath anthology

Roshar System
Edgedancer, a Stormlight Archive novella