10 books in series
Harley Quinn: One-Shots
Harley Quinn: One-Shots is a 8-book series with 10 primary works first released in 2010 with contributions by James P. Reedy, Jimmy Palmiotti, Rob Williams, Amanda Conner, Chip Zdarsky, Paul Dini, Daniel Kibblesmith, Tim Seeley, and Mark Russell.
 Harley Quinn: Futures End (2014) #1 | 2 | 1 read | |||
 Batman: Prelude to the Wedding: Harley Quinn vs. Joker #1
| 4 | 1 read | |||
 Harley Quinn 25th Anniversary Special #1 Harley Quinn 25th Anniversary Special #1
| 2 | 1 read | |||
 Harley Quinn (2013-2016) Valentine's Day Special #1 | 3 | 2 reads | |||
 Harley Quinn Harley Quinn: Villain of the Year #1
| 0 | 0 reads | |||
 Harley Quinn (2013-2016) Road Trip Special #1
| 5 | 1 read | |||
 Harley Quinn: Be Careful What You Wish For Special Edition (2018) #1
| 0 | 0 reads | |||
Joker's Asylum II Joker's Asylum II: Harley Quinn #1
| 0 | 0 reads | |||
 Harley Quinn & The Suicide Squad Harley Quinn & The Suicide Squad: April Fool's Special #1
| 0 | 0 reads | |||
 Harley Quinn Invades Comic-Con International: San Diego (2014) #1 | 0 | 0 reads |