In the run-up to what looks like a blockbuster opening for Black Panther this weekend, three Black Panther volumes by Ta-Nehisi Coates were in the Top 20 Superhero Graphic Novels in the book channel for January, according to information provided by NPD BookScan.

The bestselling superhero graphic novel in the book channel in January, sold less that the top sellers in the manga, author, and kids graphic novel charts, according to information provided by NPD BookScan.

Brian K. Vaughan accounted for seven of the Top 20 Author Graphic Novels in the book channel for January, according to information provided by NPD BookScan.

The latest volume of Saga sold over four times as many copies as the second title in the Author category, according to information provided by NPD BookScan.

A manga produced in Japan based on an American intellectual property was the top manga in the U.S. book channel according to information provided by NPD BookScan.

The first volume of RWBY sold nearly twice as many copies as the #2 manga in the U.S. book channel in January, according to information provided by NPD BookScan.

The latest Saga volume was the #1 adult graphic novel in January 2018, based on NPD BookScan data provided to ICv2.

The first graphic novel tied to the Tui T. Sutherland middle-grade novel series Wings of Fire was released in January, and it topped everything except the all-powerful Dog Man, from Dav Pilkey, which took the top three slots.

This reporting on the actual sales reported by NPD BookScan on the Top 20 Adult Graphic Novels helps see the relative sales on the bestsellers, and is also instructive when compared to the sales for other graphic novel subcategories in the book channel, or to sales in the comic store channel.

This reporting on the actual sales reported by NPD BookScan on the Top 20 Kids Graphic Novels helps see the relative sales on the bestsellers, and is also instructive when compared to the sales for other graphic novel subcategories in the book channel, or to sales in the comic store channel.