CREATIVE SYSTEM THINKERS (Volume I and Volume II).
New York: Kroy Wen Publishers, Inc., no date (circa 1930). Paperback. 2 volumes, printed wrappers, 9 x 6 inches; [73], [125] pp. Contains detailed analyses of and instructions for applying various betting systems for horse racing. The preface indicates that much of the material was previously published in "N.T.D." One-page..... More