Volume 3, League of ShadowsPaperback - 2017
"The next big Detective arc explodes here as the League of Shadows goes from mysterious rumor to deadly fact. With two new members of the team--Azrael and Batwing--will the Dark Knight's squadron of crime-fighters be able to discover the League's plan? And what deadly personal seceret will be unleashed on the team?"-- Provided by publisher.
Publisher: Burbank, CA : DC Comics, 
Characteristics: 1 volume (unpaged) : illustrations (chiefly color) ; 26 cm.
Alternative Title: League of shadows