Books about Mystery and detective stories (sorted alphabetically)
- Extraordinary Adventures of Arsène Lupin, Gentleman-Burglar Maurice Leblanc
- Flower of the Gorse Louis Tracy
- Flying Machine Boys in the Wilds; Or, The Mystery of the Andes Frank Walton
- Flying Machine Boys on Duty; Or, The Clue Above the Clouds Frank Walton
- Flying Machine Boys on Secret Service; Or, The Capture in the Air Frank Walton
- Flying Reporter Lewis E. Theiss
- Gates of Chance Van Tassel Sutphen
- Ghost Beyond the Gate Mildred A. Wirt
- Girl Scouts at Camp Comalong; Or, Peg of Tamarack Hills Lilian Garis
- Girl Scouts at Singing Sands Mildred A. Wirt
- Girls of Central High at Basketball; Or, The Great Gymnasium Mystery Gertrude W. Morrison
- Girls of Central High on Track and Field Gertrude W. Morrison
- Girls of Central High; Or, Rivals for All Honors Gertrude W. Morrison
- Golden Boys and Their New Electric Cell L. P. Wyman
- Golden Circle Roy J. Snell
- Grace Harlowe's Overland Riders in the Yellowstone National Park Josephine Chase
- Grande Marnière (French) Georges Ohnet
- Gray Shadow Roy J. Snell
- Great Oakdale Mystery Morgan Scott
- Green Eyes Roy J. Snell
- Green Rust Edgar Wallace
- Green Tent Mystery at Sugar Creek Paul Hutchens
- Guilt of the Brass Thieves Mildred A. Wirt
- Gypsy Flight Roy J. Snell
- Hal Kenyon Disappears Gordon Stuart