There are 3 books in the Thomas Kell series. The newest book is A Divided Spy which came out in 2017.

1
A Foreign Country

Book cover of A Foreign Country
Winner of the CWA Ian Fleming Steel Dagger for Best Thriller of the Year. Selected by Sunday Times Books of the Year and The Guardian as Best Thriller of the Year. Perfect for fans of John le Carre, a gripping and suspenseful spy thriller from 'the master of the modern…
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From the Top 10 Sunday Times bestselling author and winner of the CWA Ian Fleming Steel Dagger for Best Thriller of the Year. Perfect for fans of John le Carre, Charles Cumming is 'the master of the modern spy thriller' (Mail on Sunday)

Thomas Kell is a disgraced agent who…

3
A Divided Spy

Book cover of A Divided Spy
A Sunday Times top ten bestseller perfect for fans of John le Carre, from the winner of the CWA Ian Fleming Steel Dagger for Best Thriller of the Year and 'the master of the modern spy thriller' (Mail on Sunday).

A NEW COLD WAR IS LOOMING
Former MI6 officer Thomas…