The Plustek Optic Book 3900 scanner features a unique scanner design that eliminates spine shadows that simplifies the book scanning process. Using Plustek's Shadow Elimination Element (SEE) technology, the Optic Book 3900 can scan any book without the book spine shadow & distorted text associated with book scanning on flatbed scanners. This scanner is ideal for all home users, libraries, copy rooms, students, teachers, universities, law offices, publicists, & anyone who wants to turn books, magazines & other bound material into digital files.