These are estimates of the sales on graphic novels by Diamond U.S. to comic specialty stores during February 2018.

The Dog Man graphic novels by Captain Underpants creator Dav Pilkey ruled atop the Top 20 Kids Graphic Novels chart.

The Dog Man volumes atop the Top 20 Kids Graphic Novels chart sold around twice as many copies as the next best-selling title.

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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.