- Script
- Jeph Loeb (signed)
- Pencils
- Tim Sale (signed)
- Inks
- Tim Sale (signed)
- Colors
- Gregory Wright
- Letters
- Richard Starkings
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Riddler [Edward Nigma]; Alfred Pennyworth; Catwoman [Selina Kyle]; Sal "The Boss" Maroni; Alberto Falcone; Carla Viti; Harvey Dent; Captain James Gordon; Carmine Falcone; Sofia Falcone Gigante
- Synopsis
- The Holiday Killer doesn't strike on April Fool's Day. Both Batman and the Riddler try to determine the identity of Holiday.
- Reprints
- in Batman Special (Juniorpress, 1989 series) #27 (week 49 1997)
- in Batman Hors Série (Semic S.A., 1995 series) #4 - Un long Halloween (1997)
- in Batman: The Long Halloween (DC, 1998 series) ([December] 1998)
- in Batman: The Long Halloween (DC, 1999 series) (1998 [December 1999])
- in Absolute Batman: The Long Halloween (DC, 2007 series) ([June] 2007)
- in Batman: The Long Halloween (DC, 2011 series) ([December] 2011)
- in Batman - Un long Halloween (Urban Comics, 2013 series) (janvier 2013)
- in Batman - De lange Halloween (RW Uitgeverij, 2014 series) (2014)
- in Batman Noir: The Long Halloween (DC, 2014 series) ([December] 2014) [without color]
- in DC Comics Graphic Novel Collection (Eaglemoss Publications, 2015 series) #20 - Batman - Das lange Halloween 2
- in Batman by Jeph Loeb & Tim Sale Omnibus (DC, 2018 series) ([November] 2018)
- in Batman: The Long Halloween Deluxe Edition (DC, 2021 series) ([December] 2021)
- in Batman: Halloween Oscuro - La Saga Completa (ECC Ediciones, 2022 series) (Febrero de 2022)
- in Batman - Un long Halloween (Urban Comics, 2022 series) (décembre 2022)