Gotham City Sirens Volumes 1-4

 
Credits: Various
Publisher: DC comics

What's it about?
Gotham City Sirens focuses on the DC villains/antiheroes Catwoman, Poison Ivy, and Harley Quinn.  These three women are probably the most famous female residents of Batman's Gotham City (aside from Batgirl, of course).  They aren't exactly friends.  Catwoman (Selina Kyle) has worked with Batman too much to be true friends with the more criminally minded.  Poison Ivy doesn't really like people.  Harley Quinn gets on with most people but would leave them hanging in a moment if her beloved Joker called.

Volume 1 brings the Sirens together by having them share a house (a really big house, more like the size of a warehouse).  Ivy and Harley set out to discover Batman's identity from Selina; the Riddler has reformed; and one of the old Joker sidekicks turns up.

Paul Dini's JINGLE BELLE: Naughty and Nice

Written by Paul Dini
Illustrated by Stephen DeStefano

Lettered by Sean Konot and Stephen DeStefano
"Little Matchstick Girl" Illustrated and lettered by Barry Caldwell
"Jingle Belle Conquers the Martians" painted by Lawrence Marvit
Chapter one illustration by Bill Morrison
Chapter two illustration by Lynne Naylor

Publisher: Oni Press

What’s it about?
Jingle Belle is a punctual comic produced by Paul Dini, which he's been releasing every Christmas since 1999. Either in the form of short stories ("one shot" issues), or little graphic novels which have been either collections of previous short stories or original material.
They have been mostly printed in black & white comics.

Naughty and Nice is the first Jingle Belle book I'd recommend starting with.
It contains Jingle Belle's first two stories from Winter 1999 and 2000, as well as a bonus colored story from "Dini Double Feature #13" and some original content (one page stories and pin-ups) by various artists including Evan Dorkin, Alex Ross, Sergio Aragonés, Jill Thompson & Coop.

Jingle Belle is the eponymous daughter of the legendary Santa Claus.
With a father that mostly spends his whole year thinking about all the children across the world and preparing for one very special night, Jings is the rebellious daughter that every parents fears to have.
With a passion for mischief, the little elf girl tries to get by living surrounded such a strict family business.

The book also has an introduction by Eddie Gorodetsky (TV writer and producer behind such shows as The Fresh Prince of Bel-Air & Saturday Night Live).