The Hunchback Assignments: Book 1
When Mr. Socrates, a member of the shadowy Permanent Association, hears of a hunchback infant with the ability to transform his appearance, he decides to take him in. Naming him Modo, he raises the boy in isolation, training him to become a secret agent.
She moved into the light and Dr. Hyde sucked in his breath. She was lithe and pale and beautiful, her bright red hair tied in complicated braids. Then he noticed her left hand was a hook, the metal glinting in the low light. He adjusted his spectacles, squinting.
“Your hand,” he said. “I would have replaced it with a much better instrument.”