Will Parry, a main character in The Subtle Knife by Philip Pullman, has the little and ring fingers cut off on his left hand.
From the publisher:
Will has just killed a man. He’s on the run. His escape will take him far beyond his own world, to the eerie disquiet of a deserted city, and to a girl, Lyra. Her fate is strangely linked to his own, and together they must find the most powerful weapon in all the worlds…
UK publisher: Scholastic Point (1997)
Author represented by: Caradoc King of United Agents
Language: English (translations available)