Books about Detective and mystery stories (sorted alphabetically)
- Ghost of Mystery Airport Van Powell
- Girl at Central Geraldine Bonner
- girl from Hollywood Edgar Rice Burroughs
- Girls of Chequertrees Marion St. John Webb
- Gloved Hand Burton Egbert Stevenson
- G-man's son at Porpoise Island Warren F. Robinson
- Godfrey Morgan: A Californian Mystery Jules Verne
- Gold Bag Carolyn Wells
- Golden Boys Along the River Allagash L. P. Wyman
- Golden Boys at the Haunted Camp L. P. Wyman
- Golden Face: A Great 'Crook' Romance William Le Queux
- Golden Scorpion Sax Rohmer
- Golden Triangle: The Return of Arsène Lupin Maurice Leblanc
- Golden Web E. Phillips Oppenheim
- Gold of the Gods Arthur B. Reeve
- Golf Course Mystery Chester K. Steele
- Governors E. Phillips Oppenheim
- Gray Madam Anna Katharine Green
- Gray Mask Wadsworth Camp
- Gray Phantom Herman Landon
- Gray Phantom's Return Herman Landon
- Gray Shadow Roy J. Snell
- Great Diamond Syndicate; Or, The Hardest Crew on Record Nicholas Carter
- Great Green Diamond; Or, Thief Against Thief Inspector Stark
- Great Pearl Secret C. N. Williamson and A. M. Williamson