Gabriel Allon

1. 

   Book 4

   A death in Vienna

   Daniel Silva

2. 

   Book 5

   Prince of Fire (Gabriel Allon #5)

   Daniel Silva

3. 

   Book 10

   The Rembrandt Affair (Gabriel Allon #10)

   Daniel Silva

4. 

   Book 14

   The Heist

   Daniel Silva, Daniel Silva

5. The English spyDaniel SilvaSilva

   E

   Book 15

   The English spy

   Daniel Silva

6. 

   Book 18

   The Other Woman (Gabriel Allon #18)

   Daniel Silva

7. 

   Portrait of a Spy

   Daniel Silva

Book data and covers from Open Library (openlibrary.org).