The twelfth light novel of Baccano! is 2002: (A Side) Bullet Garden.
It was published 10 October 2007 and is 296 pages long.
Firo Prochainezo and his wife Ennis Prochainezo board the cruise liner Entrance for their honeymoon, with Czeslaw Meyer tagging along. Also on the ship are Charon and Claudia Walken; two of the Four Agonies, Illness and Life; Bobby Splot and his gang of delinquent stowaways; and a gunman named Angelo. While on the supposedly relaxing Japan-bound cruise, many bullets are fired.
- A Lively Day at the Alveare
- Statements of Mr. John Drox
- Children on the Ship
- Epilogue 1
- Prologue 1: Businessmen Who Like Movies
- Prologue 2: Sleep-Deprived Hound
- Prologue 3: Plotless Stowaways
- Prologue 4: The Star Who Acknowledges the World
- Preface: The Mastermind Imitates Fate
- Chapter 1: The Strange Family is Awkward
- Interlude 1
- Chapter 2: The Bad Guys are Busy
- Interlude 2
- Chapter 3: All the Passengers Dance in a Garden of Bullets
- Interlude 3
- Extra Chapter A
- The title of the volume is a reference to the band Soundgarden.