There are 2 books in the Warcross series. The newest book is Wildcard which came out in 2018.

1
Warcross

Book cover of Warcross

Perfect for fans of Ready Player One!

From #1 New York Times bestselling author Marie Lu - when a game called Warcross takes the world by storm, one girl hacks her way into its dangerous depths.

For the millions who log in every day, Warcross isn't just a game -…

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2
Wildcard

Book cover of Wildcard

Return to the immersive, action-packed world of Warcross in this thrilling sequel from #1 New York Times bestselling author Marie Lu

Emika Chen barely made it out of the Warcross Championships alive. Now she can no longer trust the one person she's always looked up to - Hideo Tanaka. His…