Solid state physicists have long appreciated the usefulness of thermal neutron scattering in the inves- tigation of condensed matter. This technique was first made possible by the advent of the nuclear reac- tor and has, since then, undergone many refinements. The developments in this field of research have, we felt, necessitated the making of a comprehensive compilation of the published thermal neutron papers. The large number of titles collected in this book, as well as their diversity and their yearly distribution, reflects the continued contribution of the neutron probe to our...