High Quality Content by WIKIPEDIA articles! Yen Press is the manga and graphic novel imprint of Hachette Book Group. In addition to their regular book releases, Yen Press produces a monthly anthology called Yen Plus. 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 recently begun developing original series, most notably a manga adaptation of James Patterson`s Maximum Ride and Svetlana Chmakova`s latest series, Nightschool.