Yen Press is the manga and graphic novel imprint of Hachette Book Group. In addition to their regular book releases, Yen Press produces Yen Plus, a monthly manga anthology. The company's varied list demonstrates an interest in publishing a wide variety of Japanese manga, Korean manhwa, and other international content. In addition to translated material, Yen Press has released original series, most notably a manga adaptation of James Patterson's Maximum Ride and Svetlana Chmakova's Nightschool.