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.

In a sign either that the 80s were a uniquely creative period in American superhero comics, or that the new superhero graphic novels published in 2017 were not very popular, or both.

Compare to sales in the comic store channel, or for other graphic novel subcategories in the book channel.

Nicole Kassell was named as the pilot director for HBO’s Watchmen adaptation.

Three titles with sales tied to social media, including the #1 book, appeared in the Top 20 Adult Graphic Novels in the book channel for 2017.

Compare to the book channel sales of the Top 20 Kids Graphic Novels, which are much larger, at least in pieces.

Jomny Sun's everyone's a aliebn when ur a aliebn too returned to the top of the bestseller list in the book channel in December, based on the December 2017 Top 20 Adult Fiction Graphic Novel chart provided exclusively to ICv2 by NPD BookScan.

These are estimates of the sales on Graphic Novels by Diamond U.S. to comic specialty stores during the full year 2017.

These are estimates of the sales on graphic novels by Diamond U.S. to comic specialty stores during December 2017.

Rob Salkowitz names his top graphic novel picks for 2017.