In our deeper dive into adult graphic novel sales, we find The Joker, spies, and a contented couple.

Breaking down February graphic novel sales by category, we find some categories are hot, some are not.

These are unit and dollar sales rankings based on sales tracked at point-of-sale by the ComicHub system at stores selling American comics around the world.

These are unit and dollar sales rankings based on sales tracked at point-of-sale by the ComicHub system at stores selling American comics around the world.

These are unit and dollar sales rankings based on sales tracked at point-of-sale by the ComicHub system at stores selling American comics around the world.

This week, Steve Bennett talks the Amethyst graphic novel, Stan Lee's Panda vs. Aliens, and follows up on Netflix's Kid Cosmic.

These are unit and dollar sales rankings based on sales tracked at point-of-sale by the ComicHub system at stores selling American comics around the world.

These are unit and dollar sales rankings based on sales tracked at point-of-sale by the ComicHub system at stores selling American comics around the world.

Within a day of release, artist Joe Bennett has apologized for an anti-Semitic reference, and Marvel has told retailers that "corrected" versions are being printed.

These are unit and dollar sales rankings based on sales tracked at point-of-sale by the ComicHub system at stores selling American comics around the world.