Warsaw 1926. 18.5x25.5 cm, pp. (8), IV, 588, black and white photographs in the text and on separate pages, contemporary booklet binding. Good condition (pieces after minor conservation, edges of several pages glued with tissue paper, discoloration of paper).
A collection of documents and evidence with 96 photographs and sketches of phenomena, molds and casts of materialized body parts, and 23 plans, charts and tables.
The book is divided into two parts. In the first, the author collected evidence in the form of protocols and reports of séances. The second part includes the history of the development of F. Kluski's media properties, a description of the position he took toward researchers and séances, the characteristics of the participants, the characteristics of the phenomena of the type, and statistical data.