Montague Ullman The second volume of this series includes essays on methods and issues in ESP research (Morris), research findings in ESP (Palmer), and theories of psi (Rao). It thus complements the areas covered in Volume 1, the two volumes taken together providing the reader with a sound grounding in the progress and achievements of parapsychological research from its inception to the present day. What is immediately striking is the rapid increase in the amount and variety of experimental reports appearing in the last decade and the increasing number of centers in which research is being...