There are 3 books in the The Guardian series. The newest book is The Fifth Doctrine which came out in 2019.

1
The Ultimatum

Book cover of The Ultimatum

The first thriller in the Guardian series by New York Times bestselling author Karen Robards, perfect for fans of Karen Rose and Sandra Brown.

Bianca St. Ives is smart, talented and beautiful. She's also a high-end thief, a master manipulator, a card shark, and a genius of disguise.

A femme…

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2
The Moscow Deception

Book cover of The Moscow Deception

Action-packed, fact-paced thriller perfect for fans of KAREN ROSE and the RED SPARROW movie.

Clever. Cunning. Highly skilled. There's only one Bianca St. Ives. And for her enemies, that's one too many.

'Move over, James Bond and Jack Reacher . . . ' Kingdom Books

Bianca St. Ives - a…

3
The Fifth Doctrine

Book cover of The Fifth Doctrine

THE BRAND NEW ACTION-PACKED, FAST-PACED THRILLER FROM NEW YORK TIMES BESTSELLINGAUTHOR KAREN ROBARDS. PERFECT FOR FANS OF KAREN ROSE OR FILM RED SPARROW

With her back against the wall, everything's on the line for Bianca St. Ives. She's either going to save the world-or die trying

It took one hell…