If you're looking for the best research-based book on the publication history of Amar Chitra Katha (ACK)—the legendary Indian comic book series—there's one stand-out work that delves deeply into its history, cultural impact, & production dynamics. Recommended Resources are:
I. India’s Immortal Comic Books: Gods, Kings, and Other Heroes
Author: Karline McLain
Publisher: Indiana University Press, 2009
