This book entitled ''Devenir un Interprète Qualifié en Langue des signes Contraintes Stratégies Efforts'' comes after those already published entitled:- Les Sourds à l'école Que dire? Quoi faire ? History of the African part''- La Défragmentation: ou l'art d'enseigner aux personnes sourdes'' (Defragmentation: or the art of teaching deaf people)is designed to accompany and complement the daily life of teachers parents and sign language interpreters.