A reader device includes a mounting surface on which a passport with a page to be read is placed, a light source for illuminating the page to be read, and a camera for picking up an image of the page to be read. The light source is arranged outside a front area of the page to be read. The page to be read contains a near-edge code positioned close to an edge of the page to be read. The light source includes an infrared LED array and a white LED array. An infrared LED and a white LED included in the infrared LED array and the white LED array, respectively, and located at a near-edge code position corresponding to the near-edge code are arranged closer to the page to be read than the other infrared LEDs and white LEDs in a direction perpendicular to the mounting surface.