Dav Pilkey's latest Dog Man graphic novel, Big Jim Begins, sold 2.5 million copies since going on sale in December last year.

That starred Kevin Hart, Thomas Middleditch and Ed Helms. The next Dog Man book, Dog Man: Big Jim Begins, is out Dec. 3.

This massive success adds to the series’ already strong presence, with other Dog Man books like Big Jim Begins and Twenty ...