There are 3 books in the Firebird series. The newest book is A Million Worlds with You which came out in 2016.

1
A Thousand Pieces of You

Book cover of A Thousand Pieces of You
Cloud Atlas meets Orphan Black in this epic dimension-bending trilogy by New York Times bestselling author Claudia Gray about a girl who must chase her father's killer through multiple dimensions. Marguerite Caine's physicist parents are known for their groundbreaking achievements. Their most astonishing invention, called the Firebird, allows users to…
When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).

2
Ten Thousand Skies Above You

Book cover of Ten Thousand Skies Above You

In this stunning sequel to A Thousand Pieces of You by New York Times bestselling author Claudia Gray, Marguerite must race through various dimensions in a desperate attempt to save the boy she loves.

Ever since she used the Firebird, her parents' invention, to cross through to alternate dimensions, Marguerite…

3
A Million Worlds with You

Book cover of A Million Worlds with You
The fate of the multiverse rests in Marguerite's hands in the final installment of the Firebird trilogy by New York Times bestselling author Claudia Gray. Ever since she used the Firebird, her parent's invention, to cross through alternate dimensions, Marguerite has been at the center of a cross-dimensional feud. Now…