• 39374 Keene, Carolyn (Leslie McFarlane)  By The Light Of The Study Lamp - Dana Girls Mystery Stories 1 1934 Grosset & Dunlap, New York   215 pp Very Good /Very Good-. Text is clean. Purple binding with black lettering. Cover shows light wear, slight slant to spine. Lavender and green dust jacket shows some wear, chipping at spine ends and corners. Front flap lists 6 titles. This format in use from 1934-1937.. The original Dana Girls Series consisted of 30 titles. In the 1970's a Revised Dana Girls series was published that consisted of 17 titles.