Egg-Benes, Maria When a child is different a basic guide for parents and friends of mentally retarded children by Maria Egg. Introd. by Eunice Kennedy Shriver. Foreword by J. Lutz - George Allen & Unwin : London 1964 - 155 p. 21 cm. Translation of Ein Kind ist anders. engger LCCN: 64-010946 Subjects--Topical Terms: Mentally handicapped children