There are 3 books in the Secondborn Series series. The newest book is Rebel Born which came out in 2019.

1
Secondborn

Book cover of Secondborn
Firstborns rule society. Secondborns are the property of the government. Thirdborns are not tolerated. Long live the Fates Republic.

On Transition Day, the second child in every family is taken by the government and forced into servitude. Roselle St. Sismode's eighteenth birthday arrives with harsh realizations: she's to become a…
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2
Traitor Born

Book cover of Traitor Born
The Wall Street Journal bestselling sequel to Secondborn.

In the Fates Republic...
Firstborns reign supreme.
Secondborns kneel in servitude.
Thirdborns face death.
And Census shadows them all.

Secondborn Roselle St. Sismode was pressed into military service to battle the rebel uprising threatening the society that enslaves her. Now, powerful factions…

3
Rebel Born

Book cover of Rebel Born
Roselle faces a mind-reeling showdown with the deep state agent controlling her psyche in the Wall Street Journal bestselling conclusion to the Secondborn series.

Roselle St. Sismode is many things: victim of a conspiracy, unwilling host of an ever-evolving mind algorithm, spy for a rebel army, and heir to the…