John Rain Series by Barry Eisler

Author:  Barry Eisler

John Rain (also Junichi Fujiwara) is a Japanese-American international assassin. An assassin specializes in making his hits look like they’ve died from natural causes.

#1. A Clean Kill in Tokyo (Rain Fall)

#2. A Lonely Resurrection (Hard Rain, Blood for Blood)

#3. Winner Take All (Rain Storm, Chock Point)

#4. Redemption Games (Killing Rain, One Last Kill)

#5. Extremis ( The last Assassin)

#6. The Killer Ascendant (The Requiem For an Assassin)

#7. The Detachment

#8. Graveyard of Memories

#9. Zero Sum