The Reluctant Assassin (WARP Book 1) by Eoin Colfer
It all began with the FBI and WARP (Witness Anonymous Relocation Programme). Hiding witnesses in the past to protect the future - until now . . .
Riley is a Victorian orphan, hurtled into the twenty-first century and on the run from his evil master . . .
Albert Garrick, the terrifying assassin-for-hire pursuing Riley through time, along with . . .
Chevie Savano, the FBI's youngest and most impulsive special agent.
As Garrick relentlessly hunts them down, Riley and Chevie face a desperate race to stay alive and stop Garrick from returning to his own time - armed with knowledge and power that could change the world forever.