The newcomer on the Kids Graphic Novels chart is a potential powerhouse.

Interesting things are happening in this chart of the top 20 best-selling kids' graphic novels.

There was some rearranging of the furniture in this month's chart of the top 20 kids' graphic novels based on NPD BookScan data.

There's a new title atop the May kids' graphic novel chart, based on NPD BookScan data.

Sales of the Dog Man books, were down… This may mean those titles are finally starting to flag.

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

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 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.

Comic-Con News: Raina Telgemeier, one of the bestselling creators working in comics today, announced her next graphic novel, Ghosts , will be published by Scholastic in the Fall of 2016.

Many of the usual suspects made the chart, but a few books that frequently charted were missing from the full-year top 20.