Books about Detective and mystery stories (sorted alphabetically)
- Agony Column Earl Derr Biggers
- Air Service Boys over the Atlantic; Or, The Longest Flight on Record Charles Amory Beach
- Akkra case Miriam Allen De Ford
- Albert Gate Mystery Louis Tracy
- amateur crime Anthony Berkeley
- Amateur Fireman James Otis
- Amethyst Box Anna Katharine Green
- Amiable Charlatan E. Phillips Oppenheim
- Among the River Pirates: A Skippy Dare Mystery Story Percy Keese Fitzhugh
- Anderson Crow, Detective George Barr McCutcheon
- Angel Esquire Edgar Wallace
- Angel of Terror Edgar Wallace
- Anne: A Novel Constance Fenimore Woolson
- Annihilation Isabel Ostrander
- Another Man's Shoes Victor Bridges
- Anthony Trent, Master Criminal Wyndham Martyn
- argent des autres: 1. Les hommes de paille (French) Emile Gaboriau
- argent des autres: 2. La pêche en eau trouble (French) Emile Gaboriau
- Arsène Lupin Mauretanian keisari (Finnish) Maurice Leblanc
- Arsène Lupin miljoonaperillisenä (Finnish) Maurice Leblanc
- Arsène Lupin, super-sleuth Maurice Leblanc
- Artist in Crime Rodrigues Ottolengui
- As a thief in the night R. Austin Freeman
- Ashes to ashes Isabel Ostrander
- Ashiel mystery : a detective story Marion Bryce