I am a new student of computer science and happening to think of making a device that can read only pdf format file system like a sony ebook reader but i am not sure how i can develope such a device or what i need to made it, so i need information of how i can make a ebook reader so cheaply, and the basic concept how i can include or maintain both software and hardware in this device in details,the circuit diagram, necessary components also how i can include a pdf reader software and make it worked in that new device,and what compiler should be used,also i want to include total 11 button briefly, 1 button for power on/off, 4 button for moving mouse pointer,center button for selected by cursor, 2 button for zoom in/zoom out,and 4 buttons for scroll page up/down, right/left.this device included micro sd card reader, and battery. So i want to have a solve for this problem, plz help me.................!!!!!