THE SHELF OPERATION. An Evaluation of Results in Congenital Dysplasia, Subluxation and Dislocation of the Hip Joint. By ?ke Jakobsson. From the Orthopaedic Department of Karolinska Institutet, Stockholm. 9 x 6 in. Pp. 120, with 34 figures and 22 tables. 1954. Acta Orthopaedica Scandinavica, Supplement 15. Copenhagen: Ejnar Munksgaard. Price D. kr. 18