Issue Details

Issue	#12
Published	July 2010
Frequency	Monthly
Cover Price	2.99 USD
Pages	36
Editing	Mike Marts; Janelle Siegel (assistant)
Notes	U.S. on sale date: 2010-05-26. Copyright © 2010 DC Comics.

Cover Details

Characters	Catwoman [Selina Kyle]; Harley Quinn [Harleen Quinzel]
Genre	Superhero
Pencils	Guillem March (signed)
Inks	Guillem March (signed)
Colors	Guillem March (signed)

22 page Gotham City Sirens story "Sister Zero, Part 1 of 2"

Characters	Selina Kyle [Catwoman]; Harleen Quinzel [Harley Quinn]; Pamela Isley [Poison Ivy; also as Dr. Paula Irving]; Alisa Adams; Sister Agatha (death); Maggie Kyle
Synopsis	Maggie believes her sister is possessed, and will do anything to free her soul, including kill her.
Genre	Superhero
Script	Tony Bedard
Pencils	Peter Nguyen
Inks	Jack Purcell
Colors	Tony Avina
Letters	Steve Wands

6 page Batman promo (ad from the publisher) "Batman: Odyssey Special Sneak Preview"

Characters	Batman [Bruce Wayne]
Genre	Superhero
Script	Neal Adams
Pencils	Neal Adams
Notes	Cover and 5 page black and white preview of Batman: Odyssey (DC, 2010 series) #1.

1 page DC Nation promo (ad from the publisher) "DC Nation [218]: The Source to Debut Special Variant Covers"

Characters	Batman; Robin; Red Hood; Superman [Clark Kent; Kal-El]
Genre	Superhero
Script	Alex Segura
Letters	typeset
Notes	Alex Segura talks about how special variant covers will be revealed on The Source (http://dcublog.com).