University of Oklahoma. Norman. 1953. 194 pages. First Edition; 1st printing. Book is Near fine; previous owner's name neatly written underneath DJ flap on front pastedown. Paper-clip impression on front FFEP (just impression; no marking) Minor shelf-rub. Original scarce DJ with $3.50 price intact on flap. Rubbing along edges; with verso reinforcement. Shallow chip at crown; open chip on bottom rear with some soiling. Considered 'the Twister Bible' this was the first (and only) advanced book on tornadoes at the time; influencing an entire generation of meteorologists. This book contributed to the advancement of this field of study as its material was unavailable elsewhere. Between its first hand accounts of scientific observation of tornadoes alongside its unique photographs unavailable elsewhere, this title became University of Oklahoma Press' best seller of all time; at the time. A near-fine copy of the seminal classic in its original, uncommon DJ; first edition; first printing. NF/VG-