In honor of being back in the Twenties (the 2020s), here are my favorite books about the last Twenties (the 1920s).
Classics
The Great Gatsby by F. Scott Fitzgerald
The Maltese Falcon by Dashiell Hammett
Ghost Story
The Haunting of Maddie Clare by Simone St. James (My review here.)
Mysteries
Killers of the Flower Moon by David Grann (My review here.)
The Radium Girls by Kate Moore