Logan Tom is doomed to remember the past and determined to rescue the future. Far behind him lies a boyhood cut violently short by his family’s slaughter, when the forces of madness and hate swept our world after decadent excesses led to civilization’s downfall. Somewhere ahead of him rests the only chance to beat back the minions of evil that are systematically killing and enslaving the last remnants of humanity.

Holt Cook was never meant to be a dragon rider. He has always served the Order Hall of the Crag dutifully, keeping their kitchen pots clean. Until he discovers a dark secret: dragons do not tolerate weakness among their kin, killing the young they deem flawed. Moved by pity, Holt defies the Order, rescues a doomed egg and vows to protect the blind dragon within.

Ages ago, sorcerers of unmatched power sundered a world into four realms—sky, stone, fire, and water—then vanished. Over time, magicians learned to work spells only in their own realms and forgot the others. Now only the few who have survived the Labyrinth and crossed the Death Gate know of the presence of all four realms—and even they have yet to unravel the mysteries of their severed world. . . .

Kullen is the emperor’s assassin. The sharp hand of justice. The Black Talon. Gifted a soul-forged bond with his dragon, Umbris, Kullen is tasked with hunting any and all who oppose the empire. But when the secretive Crimson Fang murders two noblemen before his very eyes, Kullen must discover the truth of who they are and what they want. What he uncovers is a web of lies and deceit spiraling into the depths of Dimvein.

From Brandon Sanderson, the number one New York Times best-selling author of the Reckoners series, Words of Radiance, and the internationally best-selling Mistborn series, comes the first book in an epic new series about a girl who dreams of becoming a pilot in a dangerous world at war for humanity's future.