1st edition/1st printing. Three volumes, published in 1917, 1918 and 1919. Privately printed, 1st editions; published by a doctor in Denver. All three books are clean, straight & tight. These are not a complete set. The volume published in 1917 being Vol. VII. It has 240 pages. Volume VIII, published in 1918 has 240 pages and Volume IX, published in 1919 has 240 pages. All three volumes have marbled endpapers and are free of marks or tears. The books are made up of health questions that were submitted to Dr. Daniels and include his answers, making for very interesting reading. They are nicely bound in dark green, with brown spines, raised bands and gilt lettering on the spines. ; Vol. 3; 8" x 5"