Le voleur d'ombres, Paperback Book, By: Marc Levy

Now sit down, we have to talk, said the shadow." I sat cross-legged on the floor. “You have a very rare power, you have to agree to use it, even if it scares you.” What for? “Find for those whose shadow you hide this little light that will illuminate their life, a piece of their hidden memory, that's all we ask of you.” Us? "We, the shadows, whispered the one I was addressing." I smiled, I understood very well what she was talking about ".